112591355557 has 2 divisors, whose sum is σ = 112591355558. Its totient is φ = 112591355556.

The previous prime is 112591355549. The next prime is 112591355563. The reversal of 112591355557 is 755553195211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60792326721 + 51799028836 = 246561^2 + 227594^2 .

It is a cyclic number.

It is not a de Polignac number, because 112591355557 - 2³ = 112591355549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112591355557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112591355587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56295677778 + 56295677779.

It is an arithmetic number, because the mean of its divisors is an integer number (56295677779).

Almost surely, 2^112591355557 is an apocalyptic number.

It is an amenable number.

112591355557 is a deficient number, since it is larger than the sum of its proper divisors (1).

112591355557 is an equidigital number, since it uses as much as digits as its factorization.

112591355557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1181250, while the sum is 49.

The spelling of 112591355557 in words is "one hundred twelve billion, five hundred ninety-one million, three hundred fifty-five thousand, five hundred fifty-seven".