17107998881 has 2 divisors, whose sum is σ = 17107998882. Its totient is φ = 17107998880.

The previous prime is 17107998847. The next prime is 17107998899. The reversal of 17107998881 is 18889970171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11322875281 + 5785123600 = 106409^2 + 76060^2 .

It is a cyclic number.

It is not a de Polignac number, because 17107998881 - 2¹⁰ = 17107997857 is a prime.

It is a super-4 number, since 4×17107998881⁴ (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 17107998881.

It is not a weakly prime, because it can be changed into another prime (17107998581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8553999440 + 8553999441.

It is an arithmetic number, because the mean of its divisors is an integer number (8553999441).

Almost surely, 2^17107998881 is an apocalyptic number.

It is an amenable number.

17107998881 is a deficient number, since it is larger than the sum of its proper divisors (1).

17107998881 is an equidigital number, since it uses as much as digits as its factorization.

17107998881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 59.

The spelling of 17107998881 in words is "seventeen billion, one hundred seven million, nine hundred ninety-eight thousand, eight hundred eighty-one".