131111110859 has 2 divisors, whose sum is σ = 131111110860. Its totient is φ = 131111110858.

The previous prime is 131111110813. The next prime is 131111110873. The reversal of 131111110859 is 958011111131.

It is a strong prime.

It is an emirp because it is prime and its reverse (958011111131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131111110859 - 2²⁰ = 131110062283 is a prime.

It is not a weakly prime, because it can be changed into another prime (131111110259) 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, 65555555429 + 65555555430.

It is an arithmetic number, because the mean of its divisors is an integer number (65555555430).

Almost surely, 2^131111110859 is an apocalyptic number.

131111110859 is a deficient number, since it is larger than the sum of its proper divisors (1).

131111110859 is an equidigital number, since it uses as much as digits as its factorization.

131111110859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 32.

The spelling of 131111110859 in words is "one hundred thirty-one billion, one hundred eleven million, one hundred ten thousand, eight hundred fifty-nine".