22005104325509 has 2 divisors, whose sum is σ = 22005104325510. Its totient is φ = 22005104325508.

The previous prime is 22005104325497. The next prime is 22005104325593. The reversal of 22005104325509 is 90552340150022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14367359584900 + 7637744740609 = 3790430^2 + 2763647^2 .

It is a cyclic number.

It is not a de Polignac number, because 22005104325509 - 2²⁴ = 22005087548293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22005164325509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11002552162754 + 11002552162755.

It is an arithmetic number, because the mean of its divisors is an integer number (11002552162755).

Almost surely, 2^{22005104325509} is an apocalyptic number.

It is an amenable number.

22005104325509 is a deficient number, since it is larger than the sum of its proper divisors (1).

22005104325509 is an equidigital number, since it uses as much as digits as its factorization.

22005104325509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 22005104325509 in words is "twenty-two trillion, five billion, one hundred four million, three hundred twenty-five thousand, five hundred nine".