8091522560791 has 2 divisors, whose sum is σ = 8091522560792. Its totient is φ = 8091522560790.

The previous prime is 8091522560789. The next prime is 8091522560819. The reversal of 8091522560791 is 1970652251908.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8091522560791 - 2¹ = 8091522560789 is a prime.

Together with 8091522560789, 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 (8091522560731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4045761280395 + 4045761280396.

It is an arithmetic number, because the mean of its divisors is an integer number (4045761280396).

Almost surely, 2^{8091522560791} is an apocalyptic number.

8091522560791 is a deficient number, since it is larger than the sum of its proper divisors (1).

8091522560791 is an equidigital number, since it uses as much as digits as its factorization.

8091522560791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2721600, while the sum is 55.

The spelling of 8091522560791 in words is "eight trillion, ninety-one billion, five hundred twenty-two million, five hundred sixty thousand, seven hundred ninety-one".