17051047321 has 32 divisors (see below), whose sum is σ = 22218497280. Its totient is φ = 12695961600.

The previous prime is 17051047313. The next prime is 17051047339. The reversal of 17051047321 is 12374015071.

It is not a de Polignac number, because 17051047321 - 2³ = 17051047313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (17051047301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177241 + ... + 255961.

It is an arithmetic number, because the mean of its divisors is an integer number (694328040).

Almost surely, 2^17051047321 is an apocalyptic number.

17051047321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

17051047321 is a deficient number, since it is larger than the sum of its proper divisors (5167449959).

17051047321 is a wasteful number, since it uses less digits than its factorization.

17051047321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78865.

The product of its (nonzero) digits is 5880, while the sum is 31.

The spelling of 17051047321 in words is "seventeen billion, fifty-one million, forty-seven thousand, three hundred twenty-one".