17115660011 has 2 divisors, whose sum is σ = 17115660012. Its totient is φ = 17115660010.

The previous prime is 17115659999. The next prime is 17115660049. The reversal of 17115660011 is 11006651171.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 17115660011 - 2¹⁸ = 17115397867 is a prime.

It is a super-2 number, since 2×17115660011² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (17115665011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8557830005 + 8557830006.

It is an arithmetic number, because the mean of its divisors is an integer number (8557830006).

Almost surely, 2^17115660011 is an apocalyptic number.

17115660011 is a deficient number, since it is larger than the sum of its proper divisors (1).

17115660011 is an equidigital number, since it uses as much as digits as its factorization.

17115660011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 29.

The spelling of 17115660011 in words is "seventeen billion, one hundred fifteen million, six hundred sixty thousand, eleven".