115415666457 has 32 divisors (see below), whose sum is σ = 192067706880. Its totient is φ = 60021138240.

The previous prime is 115415666411. The next prime is 115415666479. The reversal of 115415666457 is 754666514511.

It is not a de Polignac number, because 115415666457 - 2²² = 115411472153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115415666257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2957857 + ... + 2996622.

It is an arithmetic number, because the mean of its divisors is an integer number (6002115840).

Almost surely, 2^115415666457 is an apocalyptic number.

It is an amenable number.

115415666457 is a deficient number, since it is larger than the sum of its proper divisors (76652040423).

115415666457 is a wasteful number, since it uses less digits than its factorization.

115415666457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5954573.

The product of its digits is 3024000, while the sum is 51.

The spelling of 115415666457 in words is "one hundred fifteen billion, four hundred fifteen million, six hundred sixty-six thousand, four hundred fifty-seven".