12579650495685 has 96 divisors (see below), whose sum is σ = 27342938907648. Its totient is φ = 5208178659840.

The previous prime is 12579650495647. The next prime is 12579650495719. The reversal of 12579650495685 is 58659405697521.

12579650495685 is a `hidden beast` number, since 1 + 2 + 5 + 7 + 9 + 6 + 50 + 4 + 9 + 568 + 5 = 666.

It is not a de Polignac number, because 12579650495685 - 2⁷ = 12579650495557 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 28763661 + ... + 29197730.

It is an arithmetic number, because the mean of its divisors is an integer number (284822280288).

Almost surely, 2^{12579650495685} is an apocalyptic number.

12579650495685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12579650495685 is an abundant number, since it is smaller than the sum of its proper divisors (14763288411963).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12579650495685 is a wasteful number, since it uses less digits than its factorization.

12579650495685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57961475 (or 57961472 counting only the distinct ones).

The product of its (nonzero) digits is 816480000, while the sum is 72.

The spelling of 12579650495685 in words is "twelve trillion, five hundred seventy-nine billion, six hundred fifty million, four hundred ninety-five thousand, six hundred eighty-five".