26000565191 has 2 divisors, whose sum is σ = 26000565192. Its totient is φ = 26000565190.

The previous prime is 26000565167. The next prime is 26000565193. The reversal of 26000565191 is 19156500062.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26000565191 is a prime.

Together with 26000565193, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26000565193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13000282595 + 13000282596.

It is an arithmetic number, because the mean of its divisors is an integer number (13000282596).

Almost surely, 2^26000565191 is an apocalyptic number.

26000565191 is a deficient number, since it is larger than the sum of its proper divisors (1).

26000565191 is an equidigital number, since it uses as much as digits as its factorization.

26000565191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 35.

The spelling of 26000565191 in words is "twenty-six billion, five hundred sixty-five thousand, one hundred ninety-one".