25080327557 has 2 divisors, whose sum is σ = 25080327558. Its totient is φ = 25080327556.

The previous prime is 25080327499. The next prime is 25080327589. The reversal of 25080327557 is 75572308052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24490372036 + 589955521 = 156494^2 + 24289^2 .

It is a cyclic number.

It is not a de Polignac number, because 25080327557 - 2¹⁰ = 25080326533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25080327457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12540163778 + 12540163779.

It is an arithmetic number, because the mean of its divisors is an integer number (12540163779).

Almost surely, 2^25080327557 is an apocalyptic number.

It is an amenable number.

25080327557 is a deficient number, since it is larger than the sum of its proper divisors (1).

25080327557 is an equidigital number, since it uses as much as digits as its factorization.

25080327557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 588000, while the sum is 44.

The spelling of 25080327557 in words is "twenty-five billion, eighty million, three hundred twenty-seven thousand, five hundred fifty-seven".