21552325400332 has 12 divisors (see below), whose sum is σ = 37717165609816. Its totient is φ = 10775992368960.

The previous prime is 21552325400329. The next prime is 21552325400429. The reversal of 21552325400332 is 23300452325512.

It is a super-3 number, since 3×21552325400332³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21552325400291 and 21552325400300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42297894 + ... + 42804397.

Almost surely, 2^{21552325400332} is an apocalyptic number.

It is an amenable number.

21552325400332 is a deficient number, since it is larger than the sum of its proper divisors (16164840209484).

21552325400332 is a wasteful number, since it uses less digits than its factorization.

21552325400332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85165608 (or 85165606 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 21552325400332 its reverse (23300452325512), we get a palindrome (44852777725844).

The spelling of 21552325400332 in words is "twenty-one trillion, five hundred fifty-two billion, three hundred twenty-five million, four hundred thousand, three hundred thirty-two".