115056580997 has 4 divisors (see below), whose sum is σ = 116349351660. Its totient is φ = 113763810336.

The previous prime is 115056580979. The next prime is 115056581047. The reversal of 115056580997 is 799085650511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 799085650511 = 633583 ⋅1261217.

It can be written as a sum of positive squares in 2 ways, for example, as 67892034721 + 47164546276 = 260561^2 + 217174^2 .

It is a cyclic number.

It is not a de Polignac number, because 115056580997 - 2³⁴ = 97876711813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115856580997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646385198 + ... + 646385375.

It is an arithmetic number, because the mean of its divisors is an integer number (29087337915).

Almost surely, 2^115056580997 is an apocalyptic number.

It is an amenable number.

115056580997 is a deficient number, since it is larger than the sum of its proper divisors (1292770663).

115056580997 is an equidigital number, since it uses as much as digits as its factorization.

115056580997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292770662.

The product of its (nonzero) digits is 3402000, while the sum is 56.

The spelling of 115056580997 in words is "one hundred fifteen billion, fifty-six million, five hundred eighty thousand, nine hundred ninety-seven".