25880658911 has 2 divisors, whose sum is σ = 25880658912. Its totient is φ = 25880658910.

The previous prime is 25880658901. The next prime is 25880658913. The reversal of 25880658911 is 11985608852.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25880658911 - 2²⁶ = 25813550047 is a prime.

Together with 25880658913, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25880658913) 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, 12940329455 + 12940329456.

It is an arithmetic number, because the mean of its divisors is an integer number (12940329456).

Almost surely, 2^25880658911 is an apocalyptic number.

25880658911 is a deficient number, since it is larger than the sum of its proper divisors (1).

25880658911 is an equidigital number, since it uses as much as digits as its factorization.

25880658911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1382400, while the sum is 53.

The spelling of 25880658911 in words is "twenty-five billion, eight hundred eighty million, six hundred fifty-eight thousand, nine hundred eleven".