113156837274987 has 54 divisors (see below), whose sum is σ = 189611943298596. Its totient is φ = 64970432659440.

The previous prime is 113156837274983. The next prime is 113156837274989. The reversal of 113156837274987 is 789472738651311.

113156837274987 is a `hidden beast` number, since 1 + 1 + 3 + 1 + 5 + 68 + 3 + 72 + 7 + 498 + 7 = 666.

It is not a de Polignac number, because 113156837274987 - 2² = 113156837274983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113156837274983) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 143525073 + ... + 144311330.

Almost surely, 2^{113156837274987} is an apocalyptic number.

113156837274987 is a deficient number, since it is larger than the sum of its proper divisors (76455106023609).

113156837274987 is a wasteful number, since it uses less digits than its factorization.

113156837274987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287836469 (or 287836436 counting only the distinct ones).

The product of its digits is 426746880, while the sum is 72.

The spelling of 113156837274987 in words is "one hundred thirteen trillion, one hundred fifty-six billion, eight hundred thirty-seven million, two hundred seventy-four thousand, nine hundred eighty-seven".