Simon Property Group is a self-administered real estate investment trust that owns, develops, and manages shopping malls, outlet centers, lifestyle centers, and mixed-use retail properties across the United States and internationally, with a diversified portfolio spanning over 250 properties globally. The company generates revenue primarily through rental income from retail tenants, supplemented by investments in related real estate platforms and ventures. Simon competes on the basis of property quality, prime locations, tenant diversity, and operational expertise, while maintaining financial flexibility through substantial credit facilities and access to debt and equity capital markets.