115415666455 has 16 divisors (see below), whose sum is σ = 142619678208. Its totient is φ = 89608864000.

The previous prime is 115415666411. The next prime is 115415666479. The reversal of 115415666455 is 554666514511.

It is not a de Polignac number, because 115415666455 - 2²⁵ = 115382112023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115415666399 and 115415666408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1434676 + ... + 1512985.

It is an arithmetic number, because the mean of its divisors is an integer number (8913729888).

Almost surely, 2^115415666455 is an apocalyptic number.

115415666455 is a deficient number, since it is larger than the sum of its proper divisors (27204011753).

115415666455 is a wasteful number, since it uses less digits than its factorization.

115415666455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2947898.

The product of its digits is 2160000, while the sum is 49.

The spelling of 115415666455 in words is "one hundred fifteen billion, four hundred fifteen million, six hundred sixty-six thousand, four hundred fifty-five".