115647604899 has 16 divisors (see below), whose sum is σ = 155971539360. Its totient is φ = 76211505920.

The previous prime is 115647604873. The next prime is 115647604949. The reversal of 115647604899 is 998406746511.

It is a Cunningham number, because it is equal to 340070²-1.

It is a cyclic number.

It is not a de Polignac number, because 115647604899 - 2⁵ = 115647604867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115647604829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 963529 + ... + 1076885.

It is an arithmetic number, because the mean of its divisors is an integer number (9748221210).

Almost surely, 2^115647604899 is an apocalyptic number.

115647604899 is a deficient number, since it is larger than the sum of its proper divisors (40323934461).

115647604899 is a wasteful number, since it uses less digits than its factorization.

115647604899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117270.

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 115647604899 in words is "one hundred fifteen billion, six hundred forty-seven million, six hundred four thousand, eight hundred ninety-nine".