17112956672 has 72 divisors (see below), whose sum is σ = 39574014816. Its totient is φ = 7233601536.

The previous prime is 17112956659. The next prime is 17112956681. The reversal of 17112956672 is 27665921171.

17112956672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 65408 + ... + 196224.

Almost surely, 2^17112956672 is an apocalyptic number.

It is a pronic number, being equal to 130816×130817.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 17112956672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19787007408).

17112956672 is an abundant number, since it is smaller than the sum of its proper divisors (22461058144).

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

17112956672 is an equidigital number, since it uses as much as digits as its factorization.

17112956672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130913 (or 130899 counting only the distinct ones).

The product of its digits is 317520, while the sum is 47.

The spelling of 17112956672 in words is "seventeen billion, one hundred twelve million, nine hundred fifty-six thousand, six hundred seventy-two".