25770496896251 has 2 divisors, whose sum is σ = 25770496896252. Its totient is φ = 25770496896250.

The previous prime is 25770496896223. The next prime is 25770496896289. The reversal of 25770496896251 is 15269869407752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25770496896251 - 2⁶ = 25770496896187 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (25770496895251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12885248448125 + 12885248448126.

It is an arithmetic number, because the mean of its divisors is an integer number (12885248448126).

Almost surely, 2^{25770496896251} is an apocalyptic number.

25770496896251 is a deficient number, since it is larger than the sum of its proper divisors (1).

25770496896251 is an equidigital number, since it uses as much as digits as its factorization.

25770496896251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 457228800, while the sum is 71.

The spelling of 25770496896251 in words is "twenty-five trillion, seven hundred seventy billion, four hundred ninety-six million, eight hundred ninety-six thousand, two hundred fifty-one".