17144639112 has 32 divisors (see below), whose sum is σ = 43501327200. Its totient is φ = 5629582464.

The previous prime is 17144639101. The next prime is 17144639159. The reversal of 17144639112 is 21193644171.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5329437 + ... + 5332652.

It is an arithmetic number, because the mean of its divisors is an integer number (1359416475).

Almost surely, 2^17144639112 is an apocalyptic number.

17144639112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

17144639112 is an abundant number, since it is smaller than the sum of its proper divisors (26356688088).

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

17144639112 is a wasteful number, since it uses less digits than its factorization.

17144639112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10662165 (or 10662161 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The spelling of 17144639112 in words is "seventeen billion, one hundred forty-four million, six hundred thirty-nine thousand, one hundred twelve".