21553120314 has 48 divisors (see below), whose sum is σ = 51394621824. Its totient is φ = 6473443200.

The previous prime is 21553120271. The next prime is 21553120327. The reversal of 21553120314 is 41302135512.

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 23 ways as a sum of consecutive naturals, for example, 459282 + ... + 504029.

It is an arithmetic number, because the mean of its divisors is an integer number (1070721288).

Almost surely, 2^21553120314 is an apocalyptic number.

21553120314 is an abundant number, since it is smaller than the sum of its proper divisors (29841501510).

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

21553120314 is a wasteful number, since it uses less digits than its factorization.

21553120314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963443 (or 963440 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 21553120314 its reverse (41302135512), we get a palindrome (62855255826).

The spelling of 21553120314 in words is "twenty-one billion, five hundred fifty-three million, one hundred twenty thousand, three hundred fourteen".