25714517911 has 2 divisors, whose sum is σ = 25714517912. Its totient is φ = 25714517910.

The previous prime is 25714517909. The next prime is 25714517921. The reversal of 25714517911 is 11971541752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25714517911 - 2¹ = 25714517909 is a prime.

It is a super-2 number, since 2×25714517911² (a number of 22 digits) contains 22 as substring.

Together with 25714517909, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25714517921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12857258955 + 12857258956.

It is an arithmetic number, because the mean of its divisors is an integer number (12857258956).

Almost surely, 2^25714517911 is an apocalyptic number.

25714517911 is a deficient number, since it is larger than the sum of its proper divisors (1).

25714517911 is an equidigital number, since it uses as much as digits as its factorization.

25714517911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88200, while the sum is 43.

The spelling of 25714517911 in words is "twenty-five billion, seven hundred fourteen million, five hundred seventeen thousand, nine hundred eleven".