21552710132 has 12 divisors (see below), whose sum is σ = 37742018496. Its totient is φ = 10769276280.

The previous prime is 21552710117. The next prime is 21552710141. The reversal of 21552710132 is 23101725512.

It is a junction number, because it is equal to n+sod(n) for n = 21552710095 and 21552710104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1762844 + ... + 1775027.

It is an arithmetic number, because the mean of its divisors is an integer number (3145168208).

Almost surely, 2^21552710132 is an apocalyptic number.

It is an amenable number.

21552710132 is a deficient number, since it is larger than the sum of its proper divisors (16189308364).

21552710132 is a wasteful number, since it uses less digits than its factorization.

21552710132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3539398 (or 3539396 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The spelling of 21552710132 in words is "twenty-one billion, five hundred fifty-two million, seven hundred ten thousand, one hundred thirty-two".