25823409011 has 2 divisors, whose sum is σ = 25823409012. Its totient is φ = 25823409010.

The previous prime is 25823408957. The next prime is 25823409013. The reversal of 25823409011 is 11090432852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25823409011 - 2²⁶ = 25756300147 is a prime.

Together with 25823409013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25823409013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12911704505 + 12911704506.

It is an arithmetic number, because the mean of its divisors is an integer number (12911704506).

Almost surely, 2^25823409011 is an apocalyptic number.

25823409011 is a deficient number, since it is larger than the sum of its proper divisors (1).

25823409011 is an equidigital number, since it uses as much as digits as its factorization.

25823409011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 25823409011 in words is "twenty-five billion, eight hundred twenty-three million, four hundred nine thousand, eleven".