25656058751 has 2 divisors, whose sum is σ = 25656058752. Its totient is φ = 25656058750.

The previous prime is 25656058733. The next prime is 25656058849. The reversal of 25656058751 is 15785065652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25656058751 - 2¹⁰ = 25656057727 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25656058751.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25656058721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12828029375 + 12828029376.

It is an arithmetic number, because the mean of its divisors is an integer number (12828029376).

Almost surely, 2^25656058751 is an apocalyptic number.

25656058751 is a deficient number, since it is larger than the sum of its proper divisors (1).

25656058751 is an equidigital number, since it uses as much as digits as its factorization.

25656058751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520000, while the sum is 50.

The spelling of 25656058751 in words is "twenty-five billion, six hundred fifty-six million, fifty-eight thousand, seven hundred fifty-one".