116312126591 has 2 divisors, whose sum is σ = 116312126592. Its totient is φ = 116312126590.

The previous prime is 116312126561. The next prime is 116312126641. The reversal of 116312126591 is 195621213611.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116312126591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116312126531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58156063295 + 58156063296.

It is an arithmetic number, because the mean of its divisors is an integer number (58156063296).

Almost surely, 2^116312126591 is an apocalyptic number.

116312126591 is a deficient number, since it is larger than the sum of its proper divisors (1).

116312126591 is an equidigital number, since it uses as much as digits as its factorization.

116312126591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 38.

The spelling of 116312126591 in words is "one hundred sixteen billion, three hundred twelve million, one hundred twenty-six thousand, five hundred ninety-one".