113812117642 has 4 divisors (see below), whose sum is σ = 170718176466. Its totient is φ = 56906058820.

The previous prime is 113812117613. The next prime is 113812117651. The reversal of 113812117642 is 246711218311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 62935255161 + 50876862481 = 250869^2 + 225559^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28453029409 + ... + 28453029412.

Almost surely, 2^113812117642 is an apocalyptic number.

113812117642 is a deficient number, since it is larger than the sum of its proper divisors (56906058824).

113812117642 is an equidigital number, since it uses as much as digits as its factorization.

113812117642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56906058823.

The product of its digits is 16128, while the sum is 37.

The spelling of 113812117642 in words is "one hundred thirteen billion, eight hundred twelve million, one hundred seventeen thousand, six hundred forty-two".