25280277559 has 2 divisors, whose sum is σ = 25280277560. Its totient is φ = 25280277558.

The previous prime is 25280277553. The next prime is 25280277571. The reversal of 25280277559 is 95577208252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25280277559 - 2¹⁹ = 25279753271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25280277553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12640138779 + 12640138780.

It is an arithmetic number, because the mean of its divisors is an integer number (12640138780).

Almost surely, 2^25280277559 is an apocalyptic number.

25280277559 is a deficient number, since it is larger than the sum of its proper divisors (1).

25280277559 is an equidigital number, since it uses as much as digits as its factorization.

25280277559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528000, while the sum is 52.

The spelling of 25280277559 in words is "twenty-five billion, two hundred eighty million, two hundred seventy-seven thousand, five hundred fifty-nine".