115131287554372 has 12 divisors (see below), whose sum is σ = 201479897518956. Its totient is φ = 57565602548960.

The previous prime is 115131287554117. The next prime is 115131287554399. The reversal of 115131287554372 is 273455782131511.

It can be written as a sum of positive squares in 2 ways, for example, as 64362014488836 + 50769273065536 = 8022594^2 + 7125256^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3528523 + ... + 15579250.

It is an arithmetic number, because the mean of its divisors is an integer number (16789991459913).

Almost surely, 2^{115131287554372} is an apocalyptic number.

It is an amenable number.

115131287554372 is a deficient number, since it is larger than the sum of its proper divisors (86348609964584).

115131287554372 is a wasteful number, since it uses less digits than its factorization.

115131287554372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20614118 (or 20614116 counting only the distinct ones).

The product of its digits is 7056000, while the sum is 55.

The spelling of 115131287554372 in words is "one hundred fifteen trillion, one hundred thirty-one billion, two hundred eighty-seven million, five hundred fifty-four thousand, three hundred seventy-two".