116534611631 has 4 divisors (see below), whose sum is σ = 118509774600. Its totient is φ = 114559448664.

The previous prime is 116534611519. The next prime is 116534611657. The reversal of 116534611631 is 136116435611.

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-116534611631 is a prime.

It is a super-2 number, since 2×116534611631² (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 (116534613631) 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, 987581396 + ... + 987581513.

It is an arithmetic number, because the mean of its divisors is an integer number (29627443650).

Almost surely, 2^116534611631 is an apocalyptic number.

116534611631 is a deficient number, since it is larger than the sum of its proper divisors (1975162969).

116534611631 is an equidigital number, since it uses as much as digits as its factorization.

116534611631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975162968.

The product of its digits is 38880, while the sum is 38.

The spelling of 116534611631 in words is "one hundred sixteen billion, five hundred thirty-four million, six hundred eleven thousand, six hundred thirty-one".