115317205664 has 12 divisors (see below), whose sum is σ = 227030748714. Its totient is φ = 57658602816.

The previous prime is 115317205583. The next prime is 115317205699. The reversal of 115317205664 is 466502713511.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 67136955664 + 48180250000 = 259108^2 + 219500^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1801831307 + ... + 1801831370.

Almost surely, 2^115317205664 is an apocalyptic number.

It is an amenable number.

115317205664 is a deficient number, since it is larger than the sum of its proper divisors (111713543050).

115317205664 is an equidigital number, since it uses as much as digits as its factorization.

115317205664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3603662687 (or 3603662679 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 115317205664 in words is "one hundred fifteen billion, three hundred seventeen million, two hundred five thousand, six hundred sixty-four".