25497193095727 has 2 divisors, whose sum is σ = 25497193095728. Its totient is φ = 25497193095726.

The previous prime is 25497193095641. The next prime is 25497193095793. The reversal of 25497193095727 is 72759039179452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25497193095727 - 2¹¹ = 25497193093679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25497193095427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12748596547863 + 12748596547864.

It is an arithmetic number, because the mean of its divisors is an integer number (12748596547864).

Almost surely, 2^{25497193095727} is an apocalyptic number.

25497193095727 is a deficient number, since it is larger than the sum of its proper divisors (1).

25497193095727 is an equidigital number, since it uses as much as digits as its factorization.

25497193095727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300056400, while the sum is 70.

The spelling of 25497193095727 in words is "twenty-five trillion, four hundred ninety-seven billion, one hundred ninety-three million, ninety-five thousand, seven hundred twenty-seven".