115180474865 has 4 divisors (see below), whose sum is σ = 138216569844. Its totient is φ = 92144379888.

The previous prime is 115180474861. The next prime is 115180474907. The reversal of 115180474865 is 568474081511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17479219681 + 97701255184 = 132209^2 + 312572^2 .

It is a cyclic number.

It is not a de Polignac number, because 115180474865 - 2² = 115180474861 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115180474861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11518047482 + ... + 11518047491.

It is an arithmetic number, because the mean of its divisors is an integer number (34554142461).

Almost surely, 2^115180474865 is an apocalyptic number.

It is an amenable number.

115180474865 is a deficient number, since it is larger than the sum of its proper divisors (23036094979).

115180474865 is an equidigital number, since it uses as much as digits as its factorization.

115180474865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23036094978.

The product of its (nonzero) digits is 1075200, while the sum is 50.

The spelling of 115180474865 in words is "one hundred fifteen billion, one hundred eighty million, four hundred seventy-four thousand, eight hundred sixty-five".