17117057911 has 2 divisors, whose sum is σ = 17117057912. Its totient is φ = 17117057910.

The previous prime is 17117057873. The next prime is 17117057963. The reversal of 17117057911 is 11975071171.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17117057911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17117057011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8558528955 + 8558528956.

It is an arithmetic number, because the mean of its divisors is an integer number (8558528956).

Almost surely, 2^17117057911 is an apocalyptic number.

17117057911 is a deficient number, since it is larger than the sum of its proper divisors (1).

17117057911 is an equidigital number, since it uses as much as digits as its factorization.

17117057911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15435, while the sum is 40.

The spelling of 17117057911 in words is "seventeen billion, one hundred seventeen million, fifty-seven thousand, nine hundred eleven".