111959011711 has 2 divisors, whose sum is σ = 111959011712. Its totient is φ = 111959011710.

The previous prime is 111959011679. The next prime is 111959011727. The reversal of 111959011711 is 117110959111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111959011711 - 2⁵ = 111959011679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111959014711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55979505855 + 55979505856.

It is an arithmetic number, because the mean of its divisors is an integer number (55979505856).

Almost surely, 2^111959011711 is an apocalyptic number.

111959011711 is a deficient number, since it is larger than the sum of its proper divisors (1).

111959011711 is an equidigital number, since it uses as much as digits as its factorization.

111959011711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2835, while the sum is 37.

The spelling of 111959011711 in words is "one hundred eleven billion, nine hundred fifty-nine million, eleven thousand, seven hundred eleven".