17070511217 has 2 divisors, whose sum is σ = 17070511218. Its totient is φ = 17070511216.

The previous prime is 17070511169. The next prime is 17070511273. The reversal of 17070511217 is 71211507071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13330087936 + 3740423281 = 115456^2 + 61159^2 .

It is a cyclic number.

It is not a de Polignac number, because 17070511217 - 2¹² = 17070507121 is a prime.

It is not a weakly prime, because it can be changed into another prime (17070531217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8535255608 + 8535255609.

It is an arithmetic number, because the mean of its divisors is an integer number (8535255609).

Almost surely, 2^17070511217 is an apocalyptic number.

It is an amenable number.

17070511217 is a deficient number, since it is larger than the sum of its proper divisors (1).

17070511217 is an equidigital number, since it uses as much as digits as its factorization.

17070511217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3430, while the sum is 32.

The spelling of 17070511217 in words is "seventeen billion, seventy million, five hundred eleven thousand, two hundred seventeen".