116512631 has 4 divisors (see below), whose sum is σ = 116560992. Its totient is φ = 116464272.

The previous prime is 116512619. The next prime is 116512637. The reversal of 116512631 is 136215611.

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

It is a cyclic number.

It is not a de Polignac number, because 116512631 - 2⁶ = 116512567 is a prime.

It is a super-2 number, since 2×116512631² = 27150386365084322, which 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 116512631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116512637) 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 3 ways as a sum of consecutive naturals, for example, 20366 + ... + 25451.

It is an arithmetic number, because the mean of its divisors is an integer number (29140248).

Almost surely, 2^116512631 is an apocalyptic number.

116512631 is a deficient number, since it is larger than the sum of its proper divisors (48361).

116512631 is an equidigital number, since it uses as much as digits as its factorization.

116512631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48360.

The product of its digits is 1080, while the sum is 26.

The square root of 116512631 is about 10794.1016763786. The cubic root of 116512631 is about 488.4172601956.

The spelling of 116512631 in words is "one hundred sixteen million, five hundred twelve thousand, six hundred thirty-one".