12564669088501 has 8 divisors (see below), whose sum is σ = 13407145099520. Its totient is φ = 11740310841312.

The previous prime is 12564669088481. The next prime is 12564669088549. The reversal of 12564669088501 is 10588096646521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12564669088501 - 2¹⁹ = 12564668564213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12564669088501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12564669088571) 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 7 ways as a sum of consecutive naturals, for example, 4529439525 + ... + 4529442298.

It is an arithmetic number, because the mean of its divisors is an integer number (1675893137440).

Almost surely, 2^{12564669088501} is an apocalyptic number.

It is an amenable number.

12564669088501 is a deficient number, since it is larger than the sum of its proper divisors (842476011019).

12564669088501 is an equidigital number, since it uses as much as digits as its factorization.

12564669088501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9058881915.

The product of its (nonzero) digits is 24883200, while the sum is 61.

The spelling of 12564669088501 in words is "twelve trillion, five hundred sixty-four billion, six hundred sixty-nine million, eighty-eight thousand, five hundred one".