25580239159117 has 2 divisors, whose sum is σ = 25580239159118. Its totient is φ = 25580239159116.

The previous prime is 25580239159103. The next prime is 25580239159147. The reversal of 25580239159117 is 71195193208552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24988861240996 + 591377918121 = 4998886^2 + 769011^2 .

It is a cyclic number.

It is not a de Polignac number, because 25580239159117 - 2³¹ = 25578091675469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25580239159147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12790119579558 + 12790119579559.

It is an arithmetic number, because the mean of its divisors is an integer number (12790119579559).

Almost surely, 2^{25580239159117} is an apocalyptic number.

It is an amenable number.

25580239159117 is a deficient number, since it is larger than the sum of its proper divisors (1).

25580239159117 is an equidigital number, since it uses as much as digits as its factorization.

25580239159117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804000, while the sum is 58.

The spelling of 25580239159117 in words is "twenty-five trillion, five hundred eighty billion, two hundred thirty-nine million, one hundred fifty-nine thousand, one hundred seventeen".