25211422559 has 2 divisors, whose sum is σ = 25211422560. Its totient is φ = 25211422558.

The previous prime is 25211422543. The next prime is 25211422567. The reversal of 25211422559 is 95522411252.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25211422559 - 2⁴ = 25211422543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25211422519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12605711279 + 12605711280.

It is an arithmetic number, because the mean of its divisors is an integer number (12605711280).

Almost surely, 2^25211422559 is an apocalyptic number.

25211422559 is a deficient number, since it is larger than the sum of its proper divisors (1).

25211422559 is an equidigital number, since it uses as much as digits as its factorization.

25211422559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72000, while the sum is 38.

The spelling of 25211422559 in words is "twenty-five billion, two hundred eleven million, four hundred twenty-two thousand, five hundred fifty-nine".