111945794039 has 2 divisors, whose sum is σ = 111945794040. Its totient is φ = 111945794038.

The previous prime is 111945793919. The next prime is 111945794069. The reversal of 111945794039 is 930497549111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111945794039 - 2⁸ = 111945793783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111945794069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55972897019 + 55972897020.

It is an arithmetic number, because the mean of its divisors is an integer number (55972897020).

Almost surely, 2^111945794039 is an apocalyptic number.

111945794039 is a deficient number, since it is larger than the sum of its proper divisors (1).

111945794039 is an equidigital number, since it uses as much as digits as its factorization.

111945794039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1224720, while the sum is 53.

The spelling of 111945794039 in words is "one hundred eleven billion, nine hundred forty-five million, seven hundred ninety-four thousand, thirty-nine".