113444011979 has 2 divisors, whose sum is σ = 113444011980. Its totient is φ = 113444011978.

The previous prime is 113444011937. The next prime is 113444012041. The reversal of 113444011979 is 979110444311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113444011979 is a prime.

It is not a weakly prime, because it can be changed into another prime (113444011679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56722005989 + 56722005990.

It is an arithmetic number, because the mean of its divisors is an integer number (56722005990).

Almost surely, 2^113444011979 is an apocalyptic number.

113444011979 is a deficient number, since it is larger than the sum of its proper divisors (1).

113444011979 is an equidigital number, since it uses as much as digits as its factorization.

113444011979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 113444011979 in words is "one hundred thirteen billion, four hundred forty-four million, eleven thousand, nine hundred seventy-nine".