112510421531 has 4 divisors (see below), whose sum is σ = 112574825352. Its totient is φ = 112446017712.

The previous prime is 112510421521. The next prime is 112510421563. The reversal of 112510421531 is 135124015211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112510421531 is a prime.

It is a super-2 number, since 2×112510421531² (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 112510421531.

It is not an unprimeable number, because it can be changed into a prime (112510421521) 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, 32199290 + ... + 32202783.

It is an arithmetic number, because the mean of its divisors is an integer number (28143706338).

Almost surely, 2^112510421531 is an apocalyptic number.

112510421531 is a deficient number, since it is larger than the sum of its proper divisors (64403821).

112510421531 is an equidigital number, since it uses as much as digits as its factorization.

112510421531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64403820.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 112510421531 its reverse (135124015211), we get a palindrome (247634436742).

The spelling of 112510421531 in words is "one hundred twelve billion, five hundred ten million, four hundred twenty-one thousand, five hundred thirty-one".