112511031091 has 2 divisors, whose sum is σ = 112511031092. Its totient is φ = 112511031090.

The previous prime is 112511031043. The next prime is 112511031203. The reversal of 112511031091 is 190130115211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112511031091 is a prime.

It is not a weakly prime, because it can be changed into another prime (112511038091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56255515545 + 56255515546.

It is an arithmetic number, because the mean of its divisors is an integer number (56255515546).

Almost surely, 2^112511031091 is an apocalyptic number.

112511031091 is a deficient number, since it is larger than the sum of its proper divisors (1).

112511031091 is an equidigital number, since it uses as much as digits as its factorization.

112511031091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 25.

The spelling of 112511031091 in words is "one hundred twelve billion, five hundred eleven million, thirty-one thousand, ninety-one".