115564012 has 24 divisors (see below), whose sum is σ = 208649840. Its totient is φ = 55978560.

The previous prime is 115563989. The next prime is 115564027. The reversal of 115564012 is 210465511.

It is a happy number.

It is a super-2 number, since 2×115564012² = 26710081739072288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12814 + ... + 19882.

Almost surely, 2^115564012 is an apocalyptic number.

It is an amenable number.

115564012 is a deficient number, since it is larger than the sum of its proper divisors (93085828).

115564012 is a wasteful number, since it uses less digits than its factorization.

115564012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7201 (or 7199 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 115564012 is about 10750.0703253514. The cubic root of 115564012 is about 487.0881195190.

The spelling of 115564012 in words is "one hundred fifteen million, five hundred sixty-four thousand, twelve".