25590440552647 has 2 divisors, whose sum is σ = 25590440552648. Its totient is φ = 25590440552646.

The previous prime is 25590440552603. The next prime is 25590440552681. The reversal of 25590440552647 is 74625504409552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25590440552647 - 2⁷ = 25590440552519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25590440552591 and 25590440552600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25590440552147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12795220276323 + 12795220276324.

It is an arithmetic number, because the mean of its divisors is an integer number (12795220276324).

Almost surely, 2^{25590440552647} is an apocalyptic number.

25590440552647 is a deficient number, since it is larger than the sum of its proper divisors (1).

25590440552647 is an equidigital number, since it uses as much as digits as its factorization.

25590440552647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480000, while the sum is 58.

The spelling of 25590440552647 in words is "twenty-five trillion, five hundred ninety billion, four hundred forty million, five hundred fifty-two thousand, six hundred forty-seven".