112806138779 has 2 divisors, whose sum is σ = 112806138780. Its totient is φ = 112806138778.

The previous prime is 112806138749. The next prime is 112806138817. The reversal of 112806138779 is 977831608211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112806138779 - 2³⁶ = 44086662043 is a prime.

It is a super-2 number, since 2×112806138779² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112806138779.

It is not a weakly prime, because it can be changed into another prime (112806138749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56403069389 + 56403069390.

It is an arithmetic number, because the mean of its divisors is an integer number (56403069390).

Almost surely, 2^112806138779 is an apocalyptic number.

112806138779 is a deficient number, since it is larger than the sum of its proper divisors (1).

112806138779 is an equidigital number, since it uses as much as digits as its factorization.

112806138779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 53.

The spelling of 112806138779 in words is "one hundred twelve billion, eight hundred six million, one hundred thirty-eight thousand, seven hundred seventy-nine".