12657472553 has 16 divisors (see below), whose sum is σ = 14681113920. Its totient is φ = 10784947200.

The previous prime is 12657472537. The next prime is 12657472591. The reversal of 12657472553 is 35527475621.

12657472553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12657472553 - 2⁴ = 12657472537 is a prime.

It is a super-2 number, since 2×12657472553² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12657472498 and 12657472507.

It is not an unprimeable number, because it can be changed into a prime (12657472253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95363 + ... + 185496.

It is an arithmetic number, because the mean of its divisors is an integer number (917569620).

Almost surely, 2^12657472553 is an apocalyptic number.

It is an amenable number.

12657472553 is a deficient number, since it is larger than the sum of its proper divisors (2023641367).

12657472553 is a wasteful number, since it uses less digits than its factorization.

12657472553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281128.

The product of its digits is 1764000, while the sum is 47.

The spelling of 12657472553 in words is "twelve billion, six hundred fifty-seven million, four hundred seventy-two thousand, five hundred fifty-three".