21352554005200 has 60 divisors (see below), whose sum is σ = 55963102917888. Its totient is φ = 7764565091200.

The previous prime is 21352554005191. The next prime is 21352554005239. The reversal of 21352554005200 is 250045525312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2426422192 + ... + 2426430991.

Almost surely, 2^{21352554005200} is an apocalyptic number.

21352554005200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21352554005200 is an abundant number, since it is smaller than the sum of its proper divisors (34610548912688).

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

21352554005200 is a wasteful number, since it uses less digits than its factorization.

21352554005200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4852853212 (or 4852853201 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 21352554005200 in words is "twenty-one trillion, three hundred fifty-two billion, five hundred fifty-four million, five thousand, two hundred".