21160534445352 has 48 divisors (see below), whose sum is σ = 59432365268640. Its totient is φ = 7053511481136.

The previous prime is 21160534445341. The next prime is 21160534445353. The reversal of 21160534445352 is 25354443506112.

21160534445352 is a `hidden beast` number, since 2 + 1 + 1 + 60 + 53 + 4 + 4 + 4 + 535 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 21160534445298 and 21160534445307.

It is not an unprimeable number, because it can be changed into a prime (21160534445353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5442522348 + ... + 5442526235.

It is an arithmetic number, because the mean of its divisors is an integer number (1238174276430).

Almost surely, 2^{21160534445352} is an apocalyptic number.

It is an amenable number.

21160534445352 is an abundant number, since it is smaller than the sum of its proper divisors (38271830823288).

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

21160534445352 is a wasteful number, since it uses less digits than its factorization.

21160534445352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10885048604 (or 10885048588 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 21160534445352 in words is "twenty-one trillion, one hundred sixty billion, five hundred thirty-four million, four hundred forty-five thousand, three hundred fifty-two".