11501025052 has 48 divisors (see below), whose sum is σ = 23503939200. Its totient is φ = 4868631360.

The previous prime is 11501025047. The next prime is 11501025091. The reversal of 11501025052 is 25052010511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67263 + ... + 165910.

It is an arithmetic number, because the mean of its divisors is an integer number (489665400).

Almost surely, 2^11501025052 is an apocalyptic number.

It is an amenable number.

11501025052 is an abundant number, since it is smaller than the sum of its proper divisors (12002914148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11501025052 is a wasteful number, since it uses less digits than its factorization.

11501025052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233266 (or 233264 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

Adding to 11501025052 its reverse (25052010511), we get a palindrome (36553035563).

The spelling of 11501025052 in words is "eleven billion, five hundred one million, twenty-five thousand, fifty-two".