17421106453312 has 28 divisors (see below), whose sum is σ = 36389482232320. Its totient is φ = 8252103056256.

The previous prime is 17421106453259. The next prime is 17421106453319. The reversal of 17421106453312 is 21335460112471.

17421106453312 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 not an unprimeable number, because it can be changed into a prime (17421106453319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7163282688 + ... + 7163285119.

It is an arithmetic number, because the mean of its divisors is an integer number (1299624365440).

Almost surely, 2^{17421106453312} is an apocalyptic number.

It is an amenable number.

17421106453312 is an abundant number, since it is smaller than the sum of its proper divisors (18968375779008).

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

17421106453312 is a wasteful number, since it uses less digits than its factorization.

17421106453312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14326567838 (or 14326567828 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

Adding to 17421106453312 its reverse (21335460112471), we get a palindrome (38756566565783).

The spelling of 17421106453312 in words is "seventeen trillion, four hundred twenty-one billion, one hundred six million, four hundred fifty-three thousand, three hundred twelve".