25823408911 has 2 divisors, whose sum is σ = 25823408912. Its totient is φ = 25823408910.

The previous prime is 25823408909. The next prime is 25823408939. The reversal of 25823408911 is 11980432852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25823408911 - 2¹ = 25823408909 is a prime.

Together with 25823408909, it forms a pair of twin primes.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25823408311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12911704455 + 12911704456.

It is an arithmetic number, because the mean of its divisors is an integer number (12911704456).

Almost surely, 2^25823408911 is an apocalyptic number.

25823408911 is a deficient number, since it is larger than the sum of its proper divisors (1).

25823408911 is an equidigital number, since it uses as much as digits as its factorization.

25823408911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 25823408911 in words is "twenty-five billion, eight hundred twenty-three million, four hundred eight thousand, nine hundred eleven".