21350343201152 has 128 divisors (see below), whose sum is σ = 48676972032000. Its totient is φ = 9137578807296.

The previous prime is 21350343201149. The next prime is 21350343201163. The reversal of 21350343201152 is 25110234305312.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2851651553 + ... + 2851659039.

It is an arithmetic number, because the mean of its divisors is an integer number (380288844000).

Almost surely, 2^{21350343201152} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21350343201152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24338486016000).

21350343201152 is an abundant number, since it is smaller than the sum of its proper divisors (27326628830848).

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

21350343201152 is a wasteful number, since it uses less digits than its factorization.

21350343201152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11456 (or 11444 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 21350343201152 its reverse (25110234305312), we get a palindrome (46460577506464).

The spelling of 21350343201152 in words is "twenty-one trillion, three hundred fifty billion, three hundred forty-three million, two hundred one thousand, one hundred fifty-two".