112520117631 has 4 divisors (see below), whose sum is σ = 150026823512. Its totient is φ = 75013411752.

The previous prime is 112520117617. The next prime is 112520117651. The reversal of 112520117631 is 136711025211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136711025211 = 3 ⋅45570341737.

It is not a de Polignac number, because 112520117631 - 2⁹ = 112520117119 is a prime.

It is a super-2 number, since 2×112520117631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112520117651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18753352936 + ... + 18753352941.

It is an arithmetic number, because the mean of its divisors is an integer number (37506705878).

Almost surely, 2^112520117631 is an apocalyptic number.

112520117631 is a deficient number, since it is larger than the sum of its proper divisors (37506705881).

112520117631 is an equidigital number, since it uses as much as digits as its factorization.

112520117631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37506705880.

The product of its (nonzero) digits is 2520, while the sum is 30.

The spelling of 112520117631 in words is "one hundred twelve billion, five hundred twenty million, one hundred seventeen thousand, six hundred thirty-one".