21334314430055 has 16 divisors (see below), whose sum is σ = 28037228518944. Its totient is φ = 15455492014080.

The previous prime is 21334314430007. The next prime is 21334314430063. The reversal of 21334314430055 is 55003441343312.

It is not a de Polignac number, because 21334314430055 - 2¹² = 21334314425959 is a prime.

It is a Duffinian number.

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, 754648562 + ... + 754676831.

It is an arithmetic number, because the mean of its divisors is an integer number (1752326782434).

Almost surely, 2^{21334314430055} is an apocalyptic number.

21334314430055 is a deficient number, since it is larger than the sum of its proper divisors (6702914088889).

21334314430055 is a wasteful number, since it uses less digits than its factorization.

21334314430055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509325666.

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 21334314430055 its reverse (55003441343312), we get a palindrome (76337755773367).

The spelling of 21334314430055 in words is "twenty-one trillion, three hundred thirty-four billion, three hundred fourteen million, four hundred thirty thousand, fifty-five".