21526160231120 has 160 divisors (see below), whose sum is σ = 54747785917440. Its totient is φ = 7849142784000.

The previous prime is 21526160231111. The next prime is 21526160231137. The reversal of 21526160231120 is 2113206162512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 701366 + ... + 6598805.

It is an arithmetic number, because the mean of its divisors is an integer number (342173661984).

Almost surely, 2^{21526160231120} is an apocalyptic number.

21526160231120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21526160231120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27373892958720).

21526160231120 is an abundant number, since it is smaller than the sum of its proper divisors (33221625686320).

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

21526160231120 is a wasteful number, since it uses less digits than its factorization.

21526160231120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7300285 (or 7300279 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 21526160231120 its reverse (2113206162512), we get a palindrome (23639366393632).

The spelling of 21526160231120 in words is "twenty-one trillion, five hundred twenty-six billion, one hundred sixty million, two hundred thirty-one thousand, one hundred twenty".