17051112978 has 16 divisors (see below), whose sum is σ = 34328070336. Its totient is φ = 5646063600.

The previous prime is 17051112937. The next prime is 17051112983. The reversal of 17051112978 is 87921115071.

17051112978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9409201 + ... + 9411012.

It is an arithmetic number, because the mean of its divisors is an integer number (2145504396).

Almost surely, 2^17051112978 is an apocalyptic number.

17051112978 is an abundant number, since it is smaller than the sum of its proper divisors (17276957358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17051112978 is a wasteful number, since it uses less digits than its factorization.

17051112978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18820369.

The product of its (nonzero) digits is 35280, while the sum is 42.

The spelling of 17051112978 in words is "seventeen billion, fifty-one million, one hundred twelve thousand, nine hundred seventy-eight".