11026560521 has 2 divisors, whose sum is σ = 11026560522. Its totient is φ = 11026560520.

The previous prime is 11026560511. The next prime is 11026560527. The reversal of 11026560521 is 12506562011.

It is a happy number.

11026560521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6542383225 + 4484177296 = 80885^2 + 66964^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11026560521 is a prime.

It is not a weakly prime, because it can be changed into another prime (11026560527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5513280260 + 5513280261.

It is an arithmetic number, because the mean of its divisors is an integer number (5513280261).

Almost surely, 2^11026560521 is an apocalyptic number.

It is an amenable number.

11026560521 is a deficient number, since it is larger than the sum of its proper divisors (1).

11026560521 is an equidigital number, since it uses as much as digits as its factorization.

11026560521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 11026560521 in words is "eleven billion, twenty-six million, five hundred sixty thousand, five hundred twenty-one".