112501520531 has 16 divisors (see below), whose sum is σ = 115497446400. Its totient is φ = 109532225088.

The previous prime is 112501520513. The next prime is 112501520543. The reversal of 112501520531 is 135025105211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112501520531 is a prime.

It is a super-2 number, since 2×112501520531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112501520531.

It is not an unprimeable number, because it can be changed into a prime (112501520561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7061831 + ... + 7077743.

It is an arithmetic number, because the mean of its divisors is an integer number (7218590400).

Almost surely, 2^112501520531 is an apocalyptic number.

112501520531 is a deficient number, since it is larger than the sum of its proper divisors (2995925869).

112501520531 is a wasteful number, since it uses less digits than its factorization.

112501520531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16738.

The product of its (nonzero) digits is 1500, while the sum is 26.

Adding to 112501520531 its reverse (135025105211), we get a palindrome (247526625742).

The spelling of 112501520531 in words is "one hundred twelve billion, five hundred one million, five hundred twenty thousand, five hundred thirty-one".