12325536250565 has 4 divisors (see below), whose sum is σ = 14790643500684. Its totient is φ = 9860429000448.

The previous prime is 12325536250553. The next prime is 12325536250589. The reversal of 12325536250565 is 56505263552321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2674330374244 + 9651205876321 = 1635338^2 + 3106639^2 .

It is a cyclic number.

It is not a de Polignac number, because 12325536250565 - 2⁴ = 12325536250549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1232553625052 + ... + 1232553625061.

It is an arithmetic number, because the mean of its divisors is an integer number (3697660875171).

Almost surely, 2^{12325536250565} is an apocalyptic number.

It is an amenable number.

12325536250565 is a deficient number, since it is larger than the sum of its proper divisors (2465107250119).

12325536250565 is an equidigital number, since it uses as much as digits as its factorization.

12325536250565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465107250118.

The product of its (nonzero) digits is 8100000, while the sum is 50.

The spelling of 12325536250565 in words is "twelve trillion, three hundred twenty-five billion, five hundred thirty-six million, two hundred fifty thousand, five hundred sixty-five".