11525582572 has 24 divisors (see below), whose sum is σ = 23587241216. Its totient is φ = 4824661968.

The previous prime is 11525582461. The next prime is 11525582587. The reversal of 11525582572 is 27528552511.

It is a Harshad number since it is a multiple of its sum of digits (43).

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, 4785168 + ... + 4787575.

Almost surely, 2^11525582572 is an apocalyptic number.

It is an amenable number.

11525582572 is an abundant number, since it is smaller than the sum of its proper divisors (12061658644).

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

11525582572 is a wasteful number, since it uses less digits than its factorization.

11525582572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9572797 (or 9572795 counting only the distinct ones).

The product of its digits is 280000, while the sum is 43.

The spelling of 11525582572 in words is "eleven billion, five hundred twenty-five million, five hundred eighty-two thousand, five hundred seventy-two".