115577554395931 has 2 divisors, whose sum is σ = 115577554395932. Its totient is φ = 115577554395930.

The previous prime is 115577554395907. The next prime is 115577554395937. The reversal of 115577554395931 is 139593455775511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115577554395931 - 2³³ = 115568964461339 is a prime.

It is a super-2 number, since 2×115577554395931² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115577554395937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57788777197965 + 57788777197966.

It is an arithmetic number, because the mean of its divisors is an integer number (57788777197966).

Almost surely, 2^{115577554395931} is an apocalyptic number.

115577554395931 is a deficient number, since it is larger than the sum of its proper divisors (1).

115577554395931 is an equidigital number, since it uses as much as digits as its factorization.

115577554395931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 446512500, while the sum is 70.

The spelling of 115577554395931 in words is "one hundred fifteen trillion, five hundred seventy-seven billion, five hundred fifty-four million, three hundred ninety-five thousand, nine hundred thirty-one".