21152360326120 has 32 divisors (see below), whose sum is σ = 47594682855720. Its totient is φ = 8460611308800.

The previous prime is 21152360326109. The next prime is 21152360326157. The reversal of 21152360326120 is 2162306325112.

It can be written as a sum of positive squares in 4 ways, for example, as 16271203602564 + 4881156723556 = 4033758^2 + 2209334^2 .

It is a super-3 number, since 3×21152360326120³ (a number of 41 digits) contains 333 as substring.

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, 9369831 + ... + 11406070.

Almost surely, 2^{21152360326120} is an apocalyptic number.

21152360326120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21152360326120 is an abundant number, since it is smaller than the sum of its proper divisors (26442322529600).

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

21152360326120 is a wasteful number, since it uses less digits than its factorization.

21152360326120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20801365 (or 20801361 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 21152360326120 in words is "twenty-one trillion, one hundred fifty-two billion, three hundred sixty million, three hundred twenty-six thousand, one hundred twenty".