17112983187 has 6 divisors (see below), whose sum is σ = 22817613028. Its totient is φ = 11408504404.

The previous prime is 17112983161. The next prime is 17112983197. The reversal of 17112983187 is 78138921171.

It is not a de Polignac number, because 17112983187 - 2⁶ = 17112983123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17112983197) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 188818 + ... + 264344.

Almost surely, 2^17112983187 is an apocalyptic number.

17112983187 is a deficient number, since it is larger than the sum of its proper divisors (5704629841).

17112983187 is an frugal number, since it uses more digits than its factorization.

17112983187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151057 (or 75530 counting only the distinct ones).

The product of its digits is 169344, while the sum is 48.

Multiplying 17112983187 by its sum of digits (48), we get a square (821423192976 = 906324²).

The spelling of 17112983187 in words is "seventeen billion, one hundred twelve million, nine hundred eighty-three thousand, one hundred eighty-seven".