25165260959 has 2 divisors, whose sum is σ = 25165260960. Its totient is φ = 25165260958.

The previous prime is 25165260937. The next prime is 25165261013. The reversal of 25165260959 is 95906256152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25165260959 - 2¹² = 25165256863 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25165260859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12582630479 + 12582630480.

It is an arithmetic number, because the mean of its divisors is an integer number (12582630480).

Almost surely, 2^25165260959 is an apocalyptic number.

25165260959 is a deficient number, since it is larger than the sum of its proper divisors (1).

25165260959 is an equidigital number, since it uses as much as digits as its factorization.

25165260959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458000, while the sum is 50.

The spelling of 25165260959 in words is "twenty-five billion, one hundred sixty-five million, two hundred sixty thousand, nine hundred fifty-nine".