12645752516575 has 12 divisors (see below), whose sum is σ = 16506034864360. Its totient is φ = 9584149275360.

The previous prime is 12645752516533. The next prime is 12645752516599. The reversal of 12645752516575 is 57561525754621.

It is not a de Polignac number, because 12645752516575 - 2⁹ = 12645752516063 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 13311317964 + ... + 13311318913.

Almost surely, 2^{12645752516575} is an apocalyptic number.

12645752516575 is a deficient number, since it is larger than the sum of its proper divisors (3860282347785).

12645752516575 is a wasteful number, since it uses less digits than its factorization.

12645752516575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26622636906 (or 26622636901 counting only the distinct ones).

The product of its digits is 88200000, while the sum is 61.

The spelling of 12645752516575 in words is "twelve trillion, six hundred forty-five billion, seven hundred fifty-two million, five hundred sixteen thousand, five hundred seventy-five".