21414722065255 has 8 divisors (see below), whose sum is σ = 25731613202112. Its totient is φ = 17109146503008.

The previous prime is 21414722065229. The next prime is 21414722065313. The reversal of 21414722065255 is 55256022741412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21414722065255 - 2³⁷ = 21277283111783 is a prime.

It is a super-2 number, since 2×21414722065255² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2828889487 + ... + 2828897056.

It is an arithmetic number, because the mean of its divisors is an integer number (3216451650264).

Almost surely, 2^{21414722065255} is an apocalyptic number.

21414722065255 is a deficient number, since it is larger than the sum of its proper divisors (4316891136857).

21414722065255 is an equidigital number, since it uses as much as digits as its factorization.

21414722065255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5657787305.

The product of its (nonzero) digits is 1344000, while the sum is 46.

The spelling of 21414722065255 in words is "twenty-one trillion, four hundred fourteen billion, seven hundred twenty-two million, sixty-five thousand, two hundred fifty-five".