17120255189 has 4 divisors (see below), whose sum is σ = 17336967360. Its totient is φ = 16903543020.

The previous prime is 17120255171. The next prime is 17120255209. The reversal of 17120255189 is 98155202171.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98155202171 = 13 ⋅7550400167.

It is a cyclic number.

It is not a de Polignac number, because 17120255189 - 2⁸ = 17120254933 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17120252189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108355967 + ... + 108356124.

It is an arithmetic number, because the mean of its divisors is an integer number (4334241840).

Almost surely, 2^17120255189 is an apocalyptic number.

It is an amenable number.

17120255189 is a deficient number, since it is larger than the sum of its proper divisors (216712171).

17120255189 is an equidigital number, since it uses as much as digits as its factorization.

17120255189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216712170.

The product of its (nonzero) digits is 50400, while the sum is 41.

The spelling of 17120255189 in words is "seventeen billion, one hundred twenty million, two hundred fifty-five thousand, one hundred eighty-nine".