115577554399913 has 2 divisors, whose sum is σ = 115577554399914. Its totient is φ = 115577554399912.

The previous prime is 115577554399897. The next prime is 115577554399933. The reversal of 115577554399913 is 319993455775511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114305862897664 + 1271691502249 = 10691392^2 + 1127693^2 .

It is a cyclic number.

It is not a de Polignac number, because 115577554399913 - 2⁴ = 115577554399897 is a prime.

It is not a weakly prime, because it can be changed into another prime (115577554399933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57788777199956 + 57788777199957.

It is an arithmetic number, because the mean of its divisors is an integer number (57788777199957).

Almost surely, 2^{115577554399913} is an apocalyptic number.

It is an amenable number.

115577554399913 is a deficient number, since it is larger than the sum of its proper divisors (1).

115577554399913 is an equidigital number, since it uses as much as digits as its factorization.

115577554399913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 803722500, while the sum is 74.

The spelling of 115577554399913 in words is "one hundred fifteen trillion, five hundred seventy-seven billion, five hundred fifty-four million, three hundred ninety-nine thousand, nine hundred thirteen".