115415666456 has 8 divisors (see below), whose sum is σ = 216404374620. Its totient is φ = 57707833224.

The previous prime is 115415666411. The next prime is 115415666479. The reversal of 115415666456 is 654666514511.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7213479146 + ... + 7213479161.

Almost surely, 2^115415666456 is an apocalyptic number.

It is an amenable number.

115415666456 is a deficient number, since it is larger than the sum of its proper divisors (100988708164).

115415666456 is a wasteful number, since it uses less digits than its factorization.

115415666456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14426958313 (or 14426958309 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 50.

The spelling of 115415666456 in words is "one hundred fifteen billion, four hundred fifteen million, six hundred sixty-six thousand, four hundred fifty-six".