115715899612 has 6 divisors (see below), whose sum is σ = 202502824328. Its totient is φ = 57857949804.

The previous prime is 115715899603. The next prime is 115715899627. The reversal of 115715899612 is 216998517511.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 14464487448 + ... + 14464487455.

Almost surely, 2^115715899612 is an apocalyptic number.

It is an amenable number.

115715899612 is a deficient number, since it is larger than the sum of its proper divisors (86786924716).

115715899612 is a wasteful number, since it uses less digits than its factorization.

115715899612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28928974907 (or 28928974905 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 55.

The spelling of 115715899612 in words is "one hundred fifteen billion, seven hundred fifteen million, eight hundred ninety-nine thousand, six hundred twelve".