115505417665 has 64 divisors (see below), whose sum is σ = 160759480320. Its totient is φ = 78871968000.

The previous prime is 115505417647. The next prime is 115505417693. The reversal of 115505417665 is 566714505511.

It is not a de Polignac number, because 115505417665 - 2¹⁹ = 115504893377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23906800 + ... + 23911630.

It is an arithmetic number, because the mean of its divisors is an integer number (2511866880).

Almost surely, 2^115505417665 is an apocalyptic number.

It is an amenable number.

115505417665 is a deficient number, since it is larger than the sum of its proper divisors (45254062655).

115505417665 is a wasteful number, since it uses less digits than its factorization.

115505417665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5294.

The product of its (nonzero) digits is 630000, while the sum is 46.

The spelling of 115505417665 in words is "one hundred fifteen billion, five hundred five million, four hundred seventeen thousand, six hundred sixty-five".