113881367187 has 48 divisors (see below), whose sum is σ = 188713774080. Its totient is φ = 64826536896.

The previous prime is 113881367179. The next prime is 113881367231. The reversal of 113881367187 is 781763188311.

113881367187 is a `hidden beast` number, since 11 + 388 + 13 + 67 + 187 = 666.

It is not a de Polignac number, because 113881367187 - 2³ = 113881367179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113881363187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28879938 + ... + 28883880.

It is an arithmetic number, because the mean of its divisors is an integer number (3931536960).

Almost surely, 2^113881367187 is an apocalyptic number.

113881367187 is a deficient number, since it is larger than the sum of its proper divisors (74832406893).

113881367187 is a wasteful number, since it uses less digits than its factorization.

113881367187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5592 (or 5589 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 54.

The spelling of 113881367187 in words is "one hundred thirteen billion, eight hundred eighty-one million, three hundred sixty-seven thousand, one hundred eighty-seven".