25160416091 has 2 divisors, whose sum is σ = 25160416092. Its totient is φ = 25160416090.

The previous prime is 25160416067. The next prime is 25160416093. The reversal of 25160416091 is 19061406152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25160416091 - 2²⁶ = 25093307227 is a prime.

It is a Sophie Germain prime.

Together with 25160416093, 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 (25160416093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12580208045 + 12580208046.

It is an arithmetic number, because the mean of its divisors is an integer number (12580208046).

Almost surely, 2^25160416091 is an apocalyptic number.

25160416091 is a deficient number, since it is larger than the sum of its proper divisors (1).

25160416091 is an equidigital number, since it uses as much as digits as its factorization.

25160416091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 25160416091 in words is "twenty-five billion, one hundred sixty million, four hundred sixteen thousand, ninety-one".