21375171614360 has 32 divisors (see below), whose sum is σ = 48094677171360. Its totient is φ = 8549972461056.

The previous prime is 21375171614339. The next prime is 21375171614389. The reversal of 21375171614360 is 6341617157312.

It is a congruent number.

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, 649232 + ... + 6570528.

It is an arithmetic number, because the mean of its divisors is an integer number (1502958661605).

Almost surely, 2^{21375171614360} is an apocalyptic number.

21375171614360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21375171614360 is an abundant number, since it is smaller than the sum of its proper divisors (26719505557000).

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

21375171614360 is a wasteful number, since it uses less digits than its factorization.

21375171614360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6011555 (or 6011551 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 21375171614360 in words is "twenty-one trillion, three hundred seventy-five billion, one hundred seventy-one million, six hundred fourteen thousand, three hundred sixty".