11257502120 has 32 divisors (see below), whose sum is σ = 25355553120. Its totient is φ = 4498347840.

The previous prime is 11257502077. The next prime is 11257502149. The reversal of 11257502120 is 2120575211.

It is a self number, because there is not a number n which added to its sum of digits gives 11257502120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106082 + ... + 183761.

It is an arithmetic number, because the mean of its divisors is an integer number (792361035).

Almost surely, 2^11257502120 is an apocalyptic number.

11257502120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11257502120 is an abundant number, since it is smaller than the sum of its proper divisors (14098051000).

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

11257502120 is a wasteful number, since it uses less digits than its factorization.

11257502120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290825 (or 290821 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 26.

The spelling of 11257502120 in words is "eleven billion, two hundred fifty-seven million, five hundred two thousand, one hundred twenty".