11387522864 has 20 divisors (see below), whose sum is σ = 22087679304. Its totient is φ = 5687476608.

The previous prime is 11387522827. The next prime is 11387522897. The reversal of 11387522864 is 46822578311.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377837 + ... + 406860.

Almost surely, 2^11387522864 is an apocalyptic number.

It is an amenable number.

11387522864 is a deficient number, since it is larger than the sum of its proper divisors (10700156440).

11387522864 is an equidigital number, since it uses as much as digits as its factorization.

11387522864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785612 (or 785606 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The spelling of 11387522864 in words is "eleven billion, three hundred eighty-seven million, five hundred twenty-two thousand, eight hundred sixty-four".