17085223426261 has 2 divisors, whose sum is σ = 17085223426262. Its totient is φ = 17085223426260.

The previous prime is 17085223426181. The next prime is 17085223426301. The reversal of 17085223426261 is 16262432258071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12021683872900 + 5063539553361 = 3467230^2 + 2250231^2 .

It is an emirp because it is prime and its reverse (16262432258071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17085223426261 - 2²⁷ = 17085089208533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17085223426361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8542611713130 + 8542611713131.

It is an arithmetic number, because the mean of its divisors is an integer number (8542611713131).

Almost surely, 2^{17085223426261} is an apocalyptic number.

It is an amenable number.

17085223426261 is a deficient number, since it is larger than the sum of its proper divisors (1).

17085223426261 is an equidigital number, since it uses as much as digits as its factorization.

17085223426261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 17085223426261 in words is "seventeen trillion, eighty-five billion, two hundred twenty-three million, four hundred twenty-six thousand, two hundred sixty-one".