17111043243 has 12 divisors (see below), whose sum is σ = 28246801648. Its totient is φ = 9777738960.

The previous prime is 17111043221. The next prime is 17111043259. The reversal of 17111043243 is 34234011171.

It is not a de Polignac number, because 17111043243 - 2⁵ = 17111043211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17111043343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135801868 + ... + 135801993.

Almost surely, 2^17111043243 is an apocalyptic number.

17111043243 is a deficient number, since it is larger than the sum of its proper divisors (11135758405).

17111043243 is a wasteful number, since it uses less digits than its factorization.

17111043243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271603874 (or 271603871 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The spelling of 17111043243 in words is "seventeen billion, one hundred eleven million, forty-three thousand, two hundred forty-three".