17245707121 has 2 divisors, whose sum is σ = 17245707122. Its totient is φ = 17245707120.

The previous prime is 17245707113. The next prime is 17245707163. The reversal of 17245707121 is 12170754271.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9421420096 + 7824287025 = 97064^2 + 88455^2 .

It is a cyclic number.

It is not a de Polignac number, because 17245707121 - 2³ = 17245707113 is a prime.

It is not a weakly prime, because it can be changed into another prime (17245707221) 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, 8622853560 + 8622853561.

It is an arithmetic number, because the mean of its divisors is an integer number (8622853561).

Almost surely, 2^17245707121 is an apocalyptic number.

It is an amenable number.

17245707121 is a deficient number, since it is larger than the sum of its proper divisors (1).

17245707121 is an equidigital number, since it uses as much as digits as its factorization.

17245707121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27440, while the sum is 37.

The spelling of 17245707121 in words is "seventeen billion, two hundred forty-five million, seven hundred seven thousand, one hundred twenty-one".