113939690571 has 24 divisors (see below), whose sum is σ = 188769975264. Its totient is φ = 64873336320.

The previous prime is 113939690549. The next prime is 113939690629. The reversal of 113939690571 is 175096939311.

113939690571 is a `hidden beast` number, since 1 + 1 + 3 + 9 + 3 + 9 + 69 + 0 + 571 = 666.

It is not a de Polignac number, because 113939690571 - 2⁵ = 113939690539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113939690521) 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 23 ways as a sum of consecutive naturals, for example, 3247110 + ... + 3282011.

It is an arithmetic number, because the mean of its divisors is an integer number (7865415636).

Almost surely, 2^113939690571 is an apocalyptic number.

113939690571 is a deficient number, since it is larger than the sum of its proper divisors (74830284693).

113939690571 is a wasteful number, since it uses less digits than its factorization.

113939690571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6529411 (or 6529408 counting only the distinct ones).

The product of its (nonzero) digits is 1377810, while the sum is 54.

The spelling of 113939690571 in words is "one hundred thirteen billion, nine hundred thirty-nine million, six hundred ninety thousand, five hundred seventy-one".