12664064547325 has 12 divisors (see below), whose sum is σ = 15703523406580. Its totient is φ = 10131197852160.

The previous prime is 12664064547319. The next prime is 12664064547349. The reversal of 12664064547325 is 52374546046621.

12664064547325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 372400180516 + 12291664366809 = 610246^2 + 3505947^2 .

It is not a de Polignac number, because 12664064547325 - 2¹¹ = 12664064545277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3852487 + ... + 6337963.

Almost surely, 2^{12664064547325} is an apocalyptic number.

It is an amenable number.

12664064547325 is a deficient number, since it is larger than the sum of its proper divisors (3039458859255).

12664064547325 is a wasteful number, since it uses less digits than its factorization.

12664064547325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689296 (or 2689291 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 55.

The spelling of 12664064547325 in words is "twelve trillion, six hundred sixty-four billion, sixty-four million, five hundred forty-seven thousand, three hundred twenty-five".