111042430139 has 2 divisors, whose sum is σ = 111042430140. Its totient is φ = 111042430138.

The previous prime is 111042430111. The next prime is 111042430207. The reversal of 111042430139 is 931034240111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111042430139 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (111042435139) 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, 55521215069 + 55521215070.

It is an arithmetic number, because the mean of its divisors is an integer number (55521215070).

Almost surely, 2^111042430139 is an apocalyptic number.

111042430139 is a deficient number, since it is larger than the sum of its proper divisors (1).

111042430139 is an equidigital number, since it uses as much as digits as its factorization.

111042430139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 111042430139 in words is "one hundred eleven billion, forty-two million, four hundred thirty thousand, one hundred thirty-nine".