116311188591 has 48 divisors (see below), whose sum is σ = 191905275744. Its totient is φ = 67248340992.

The previous prime is 116311188559. The next prime is 116311188601. The reversal of 116311188591 is 195881113611.

116311188591 is a `hidden beast` number, since 1 + 1 + 631 + 1 + 1 + 8 + 8 + 5 + 9 + 1 = 666.

It is not a de Polignac number, because 116311188591 - 2⁵ = 116311188559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116311188691) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1096980 + ... + 1198326.

It is an arithmetic number, because the mean of its divisors is an integer number (3998026578).

Almost surely, 2^116311188591 is an apocalyptic number.

116311188591 is a deficient number, since it is larger than the sum of its proper divisors (75594087153).

116311188591 is a wasteful number, since it uses less digits than its factorization.

116311188591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101960 (or 101957 counting only the distinct ones).

The product of its digits is 51840, while the sum is 45.

The spelling of 116311188591 in words is "one hundred sixteen billion, three hundred eleven million, one hundred eighty-eight thousand, five hundred ninety-one".