12564873153 has 12 divisors (see below), whose sum is σ = 20742012928. Its totient is φ = 7179927480.

The previous prime is 12564873137. The next prime is 12564873157. The reversal of 12564873153 is 35137846521.

It is a happy number.

12564873153 is a `hidden beast` number, since 1 + 2 + 564 + 8 + 7 + 31 + 53 = 666.

It is not a de Polignac number, because 12564873153 - 2⁴ = 12564873137 is a prime.

It is a super-2 number, since 2×12564873153² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12564873099 and 12564873108.

It is not an unprimeable number, because it can be changed into a prime (12564873157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99721153 + ... + 99721278.

Almost surely, 2^12564873153 is an apocalyptic number.

It is an amenable number.

12564873153 is a deficient number, since it is larger than the sum of its proper divisors (8177139775).

12564873153 is a wasteful number, since it uses less digits than its factorization.

12564873153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199442444 (or 199442441 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The spelling of 12564873153 in words is "twelve billion, five hundred sixty-four million, eight hundred seventy-three thousand, one hundred fifty-three".