21153204163314 has 24 divisors (see below), whose sum is σ = 45850749154860. Its totient is φ = 7048174700448.

The previous prime is 21153204163307. The next prime is 21153204163361. The reversal of 21153204163314 is 41336140235112.

21153204163314 is a `hidden beast` number, since 2 + 1 + 1 + 5 + 3 + 2 + 0 + 4 + 1 + 633 + 14 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21022380890289 + 130823273025 = 4585017^2 + 361695^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241067749 + ... + 241155480.

Almost surely, 2^{21153204163314} is an apocalyptic number.

21153204163314 is an abundant number, since it is smaller than the sum of its proper divisors (24697544991546).

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

21153204163314 is a wasteful number, since it uses less digits than its factorization.

21153204163314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482225674 (or 482225671 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 21153204163314 its reverse (41336140235112), we get a palindrome (62489344398426).

The spelling of 21153204163314 in words is "twenty-one trillion, one hundred fifty-three billion, two hundred four million, one hundred sixty-three thousand, three hundred fourteen".