17105434055 has 4 divisors (see below), whose sum is σ = 20526520872. Its totient is φ = 13684347240.

The previous prime is 17105434009. The next prime is 17105434063. The reversal of 17105434055 is 55043450171.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 17105434055 - 2²⁰ = 17104385479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1710543401 + ... + 1710543410.

It is an arithmetic number, because the mean of its divisors is an integer number (5131630218).

Almost surely, 2^17105434055 is an apocalyptic number.

17105434055 is a deficient number, since it is larger than the sum of its proper divisors (3421086817).

17105434055 is an equidigital number, since it uses as much as digits as its factorization.

17105434055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3421086816.

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 17105434055 in words is "seventeen billion, one hundred five million, four hundred thirty-four thousand, fifty-five".