115656564 has 24 divisors (see below), whose sum is σ = 270205600. Its totient is φ = 38503584.

The previous prime is 115656557. The next prime is 115656571. The reversal of 115656564 is 465656511.

It is an interprime number because it is at equal distance from previous prime (115656557) and next prime (115656571).

It is a congruent number.

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, 4587 + ... + 15885.

Almost surely, 2^115656564 is an apocalyptic number.

It is an amenable number.

115656564 is an abundant number, since it is smaller than the sum of its proper divisors (154549036).

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

115656564 is a wasteful number, since it uses less digits than its factorization.

115656564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12159 (or 12157 counting only the distinct ones).

The product of its digits is 108000, while the sum is 39.

The square root of 115656564 is about 10754.3741798396. The cubic root of 115656564 is about 487.2181165930.

The spelling of 115656564 in words is "one hundred fifteen million, six hundred fifty-six thousand, five hundred sixty-four".