12685058775 has 18 divisors (see below), whose sum is σ = 22720350120. Its totient is φ = 6765364560.

The previous prime is 12685058767. The next prime is 12685058777. The reversal of 12685058775 is 57785058621.

12685058775 is a `hidden beast` number, since 1 + 2 + 6 + 8 + 50 + 587 + 7 + 5 = 666.

It is not a de Polignac number, because 12685058775 - 2³ = 12685058767 is a prime.

It is a super-2 number, since 2×12685058775² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12685058777) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 28188795 + ... + 28189244.

Almost surely, 2^12685058775 is an apocalyptic number.

12685058775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12685058775 is a deficient number, since it is larger than the sum of its proper divisors (10035291345).

12685058775 is a wasteful number, since it uses less digits than its factorization.

12685058775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56378055 (or 56378047 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 54.

The spelling of 12685058775 in words is "twelve billion, six hundred eighty-five million, fifty-eight thousand, seven hundred seventy-five".