112639699738 has 4 divisors (see below), whose sum is σ = 168959549610. Its totient is φ = 56319849868.

The previous prime is 112639699721. The next prime is 112639699759. The reversal of 112639699738 is 837996936211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 837996936211 = 153407 ⋅5462573.

It can be written as a sum of positive squares in only one way, i.e., 76194217089 + 36445482649 = 276033^2 + 190907^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 112639699738.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28159924933 + ... + 28159924936.

Almost surely, 2^112639699738 is an apocalyptic number.

112639699738 is a deficient number, since it is larger than the sum of its proper divisors (56319849872).

112639699738 is an equidigital number, since it uses as much as digits as its factorization.

112639699738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56319849871.

The product of its digits is 26453952, while the sum is 64.

The spelling of 112639699738 in words is "one hundred twelve billion, six hundred thirty-nine million, six hundred ninety-nine thousand, seven hundred thirty-eight".