116365507531 has 24 divisors (see below), whose sum is σ = 146366849184. Its totient is φ = 90560021760.

The previous prime is 116365507477. The next prime is 116365507541. The reversal of 116365507531 is 135705563611.

It is not a de Polignac number, because 116365507531 - 2⁷ = 116365507403 is a prime.

It is a super-2 number, since 2×116365507531² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (116365507541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 734106 + ... + 878431.

It is an arithmetic number, because the mean of its divisors is an integer number (6098618716).

Almost surely, 2^116365507531 is an apocalyptic number.

116365507531 is a deficient number, since it is larger than the sum of its proper divisors (30001341653).

116365507531 is a wasteful number, since it uses less digits than its factorization.

116365507531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612631 (or 1612618 counting only the distinct ones).

The product of its (nonzero) digits is 283500, while the sum is 43.

The spelling of 116365507531 in words is "one hundred sixteen billion, three hundred sixty-five million, five hundred seven thousand, five hundred thirty-one".