115565560 has 32 divisors (see below), whose sum is σ = 283662000. Its totient is φ = 42023680.

The previous prime is 115565539. The next prime is 115565579. The reversal of 115565560 is 65565511.

It is a super-2 number, since 2×115565560² = 26710797316227200, which contains 22 as substring.

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, 130885 + ... + 131764.

Almost surely, 2^115565560 is an apocalyptic number.

115565560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115565560 is an abundant number, since it is smaller than the sum of its proper divisors (168096440).

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

115565560 is a wasteful number, since it uses less digits than its factorization.

115565560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262671 (or 262667 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 115565560 is about 10750.1423246392. The cubic root of 115565560 is about 487.0902943859.

The spelling of 115565560 in words is "one hundred fifteen million, five hundred sixty-five thousand, five hundred sixty".