17118853841 has 2 divisors, whose sum is σ = 17118853842. Its totient is φ = 17118853840.

The previous prime is 17118853811. The next prime is 17118853847. The reversal of 17118853841 is 14835881171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12013036816 + 5105817025 = 109604^2 + 71455^2 .

It is an emirp because it is prime and its reverse (14835881171) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17118853841 - 2⁶ = 17118853777 is a prime.

It is not a weakly prime, because it can be changed into another prime (17118853847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8559426920 + 8559426921.

It is an arithmetic number, because the mean of its divisors is an integer number (8559426921).

Almost surely, 2^17118853841 is an apocalyptic number.

It is an amenable number.

17118853841 is a deficient number, since it is larger than the sum of its proper divisors (1).

17118853841 is an equidigital number, since it uses as much as digits as its factorization.

17118853841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 215040, while the sum is 47.

The spelling of 17118853841 in words is "seventeen billion, one hundred eighteen million, eight hundred fifty-three thousand, eight hundred forty-one".