22061059917917 has 2 divisors, whose sum is σ = 22061059917918. Its totient is φ = 22061059917916.

The previous prime is 22061059917833. The next prime is 22061059918021. The reversal of 22061059917917 is 71971995016022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13253050944676 + 8808008973241 = 3640474^2 + 2967829^2 .

It is a cyclic number.

It is not a de Polignac number, because 22061059917917 - 2¹⁰ = 22061059916893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22061059919917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11030529958958 + 11030529958959.

It is an arithmetic number, because the mean of its divisors is an integer number (11030529958959).

Almost surely, 2^{22061059917917} is an apocalyptic number.

It is an amenable number.

22061059917917 is a deficient number, since it is larger than the sum of its proper divisors (1).

22061059917917 is an equidigital number, since it uses as much as digits as its factorization.

22061059917917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4286520, while the sum is 59.

The spelling of 22061059917917 in words is "twenty-two trillion, sixty-one billion, fifty-nine million, nine hundred seventeen thousand, nine hundred seventeen".