12564276552353 has 4 divisors (see below), whose sum is σ = 12564298769088. Its totient is φ = 12564254335620.

The previous prime is 12564276552349. The next prime is 12564276552383. The reversal of 12564276552353 is 35325567246521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12564276552353 - 2² = 12564276552349 is a prime.

It is a super-2 number, since 2×12564276552353² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12564276552383) 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 3 ways as a sum of consecutive naturals, for example, 10237301 + ... + 11398722.

It is an arithmetic number, because the mean of its divisors is an integer number (3141074692272).

Almost surely, 2^{12564276552353} is an apocalyptic number.

It is an amenable number.

12564276552353 is a deficient number, since it is larger than the sum of its proper divisors (22216735).

12564276552353 is an equidigital number, since it uses as much as digits as its factorization.

12564276552353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22216734.

The product of its digits is 45360000, while the sum is 56.

The spelling of 12564276552353 in words is "twelve trillion, five hundred sixty-four billion, two hundred seventy-six million, five hundred fifty-two thousand, three hundred fifty-three".