25911717054227 has 2 divisors, whose sum is σ = 25911717054228. Its totient is φ = 25911717054226.

The previous prime is 25911717054187. The next prime is 25911717054239. The reversal of 25911717054227 is 72245071711952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25911717054227 - 2¹⁸ = 25911716792083 is a prime.

It is not a weakly prime, because it can be changed into another prime (25911717050227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12955858527113 + 12955858527114.

It is an arithmetic number, because the mean of its divisors is an integer number (12955858527114).

Almost surely, 2^{25911717054227} is an apocalyptic number.

25911717054227 is a deficient number, since it is larger than the sum of its proper divisors (1).

25911717054227 is an equidigital number, since it uses as much as digits as its factorization.

25911717054227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2469600, while the sum is 53.

The spelling of 25911717054227 in words is "twenty-five trillion, nine hundred eleven billion, seven hundred seventeen million, fifty-four thousand, two hundred twenty-seven".