8091522560809 has 16 divisors (see below), whose sum is σ = 8142011872000. Its totient is φ = 8041138085376.

The previous prime is 8091522560791. The next prime is 8091522560819. The reversal of 8091522560809 is 9080652251908.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8091522560809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8091522560809.

It is not an unprimeable number, because it can be changed into a prime (8091522560819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621987697 + ... + 622000705.

It is an arithmetic number, because the mean of its divisors is an integer number (508875742000).

Almost surely, 2^{8091522560809} is an apocalyptic number.

It is an amenable number.

8091522560809 is a deficient number, since it is larger than the sum of its proper divisors (50489311191).

8091522560809 is a wasteful number, since it uses less digits than its factorization.

8091522560809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16744.

The product of its (nonzero) digits is 3110400, while the sum is 55.

The spelling of 8091522560809 in words is "eight trillion, ninety-one billion, five hundred twenty-two million, five hundred sixty thousand, eight hundred nine".