113639793905 has 16 divisors (see below), whose sum is σ = 149170201344. Its totient is φ = 82421911680.

The previous prime is 113639793887. The next prime is 113639793923. The reversal of 113639793905 is 509397936311.

It is an interprime number because it is at equal distance from previous prime (113639793887) and next prime (113639793923).

It is not a de Polignac number, because 113639793905 - 2³⁴ = 96459924721 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2794772 + ... + 2835141.

It is an arithmetic number, because the mean of its divisors is an integer number (9323137584).

Almost surely, 2^113639793905 is an apocalyptic number.

It is an amenable number.

113639793905 is a deficient number, since it is larger than the sum of its proper divisors (35530407439).

113639793905 is a wasteful number, since it uses less digits than its factorization.

113639793905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5630296.

The product of its (nonzero) digits is 4133430, while the sum is 56.

The spelling of 113639793905 in words is "one hundred thirteen billion, six hundred thirty-nine million, seven hundred ninety-three thousand, nine hundred five".