115772897231608 has 16 divisors (see below), whose sum is σ = 220314095479080. Its totient is φ = 57022471770528.

The previous prime is 115772897231587. The next prime is 115772897231623. The reversal of 115772897231608 is 806132798277511.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107997105091 + ... + 107997106162.

Almost surely, 2^{115772897231608} is an apocalyptic number.

It is an amenable number.

115772897231608 is a deficient number, since it is larger than the sum of its proper divisors (104541198247472).

115772897231608 is a wasteful number, since it uses less digits than its factorization.

115772897231608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215994211326 (or 215994211322 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 67.

The spelling of 115772897231608 in words is "one hundred fifteen trillion, seven hundred seventy-two billion, eight hundred ninety-seven million, two hundred thirty-one thousand, six hundred eight".