25318545911 has 2 divisors, whose sum is σ = 25318545912. Its totient is φ = 25318545910.

The previous prime is 25318545881. The next prime is 25318545929. The reversal of 25318545911 is 11954581352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25318545911 - 2¹⁰ = 25318544887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25318545971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12659272955 + 12659272956.

It is an arithmetic number, because the mean of its divisors is an integer number (12659272956).

Almost surely, 2^25318545911 is an apocalyptic number.

25318545911 is a deficient number, since it is larger than the sum of its proper divisors (1).

25318545911 is an equidigital number, since it uses as much as digits as its factorization.

25318545911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 44.

The spelling of 25318545911 in words is "twenty-five billion, three hundred eighteen million, five hundred forty-five thousand, nine hundred eleven".