25656753247365 has 64 divisors (see below), whose sum is σ = 42985101772800. Its totient is φ = 13043066851584.

The previous prime is 25656753247357. The next prime is 25656753247379. The reversal of 25656753247365 is 56374235765652.

It is not a de Polignac number, because 25656753247365 - 2³ = 25656753247357 is a prime.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 25656753247296 and 25656753247305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 115612842 + ... + 115834548.

It is an arithmetic number, because the mean of its divisors is an integer number (671642215200).

Almost surely, 2^{25656753247365} is an apocalyptic number.

It is an amenable number.

25656753247365 is a deficient number, since it is larger than the sum of its proper divisors (17328348525435).

25656753247365 is a wasteful number, since it uses less digits than its factorization.

25656753247365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222906.

The product of its digits is 952560000, while the sum is 66.

The spelling of 25656753247365 in words is "twenty-five trillion, six hundred fifty-six billion, seven hundred fifty-three million, two hundred forty-seven thousand, three hundred sixty-five".