112791256731 has 80 divisors (see below), whose sum is σ = 175497315840. Its totient is φ = 72141917760.

The previous prime is 112791256693. The next prime is 112791256763. The reversal of 112791256731 is 137652197211.

112791256731 is a `hidden beast` number, since 1 + 1 + 2 + 79 + 12 + 567 + 3 + 1 = 666.

It is not a de Polignac number, because 112791256731 - 2⁶ = 112791256667 is a prime.

It is a super-2 number, since 2×112791256731² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112791256031) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 58409836 + ... + 58411766.

It is an arithmetic number, because the mean of its divisors is an integer number (2193716448).

Almost surely, 2^112791256731 is an apocalyptic number.

112791256731 is a deficient number, since it is larger than the sum of its proper divisors (62706059109).

112791256731 is a wasteful number, since it uses less digits than its factorization.

112791256731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286 (or 2277 counting only the distinct ones).

The product of its digits is 158760, while the sum is 45.

The spelling of 112791256731 in words is "one hundred twelve billion, seven hundred ninety-one million, two hundred fifty-six thousand, seven hundred thirty-one".