112745512931 has 4 divisors (see below), whose sum is σ = 112895640864. Its totient is φ = 112595385000.

The previous prime is 112745512921. The next prime is 112745512933. The reversal of 112745512931 is 139215547211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 139215547211 = 13 ⋅10708888247.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112745512931 is a prime.

It is a super-2 number, since 2×112745512931² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112745512933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75062840 + ... + 75064341.

It is an arithmetic number, because the mean of its divisors is an integer number (28223910216).

Almost surely, 2^112745512931 is an apocalyptic number.

112745512931 is a deficient number, since it is larger than the sum of its proper divisors (150127933).

112745512931 is an equidigital number, since it uses as much as digits as its factorization.

112745512931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150127932.

The product of its digits is 75600, while the sum is 41.

The spelling of 112745512931 in words is "one hundred twelve billion, seven hundred forty-five million, five hundred twelve thousand, nine hundred thirty-one".