25656163230053 has 32 divisors (see below), whose sum is σ = 26009706528000. Its totient is φ = 25305992464896.

The previous prime is 25656163230017. The next prime is 25656163230059. The reversal of 25656163230053 is 35003236165652.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 25656163230053 - 2²⁸ = 25655894794597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25656163230059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20740632551 + ... + 20740633787.

It is an arithmetic number, because the mean of its divisors is an integer number (812803329000).

Almost surely, 2^{25656163230053} is an apocalyptic number.

It is an amenable number.

25656163230053 is a deficient number, since it is larger than the sum of its proper divisors (353543297947).

25656163230053 is a wasteful number, since it uses less digits than its factorization.

25656163230053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101.

The product of its (nonzero) digits is 2916000, while the sum is 47.

The spelling of 25656163230053 in words is "twenty-five trillion, six hundred fifty-six billion, one hundred sixty-three million, two hundred thirty thousand, fifty-three".