21441323414051 has 8 divisors (see below), whose sum is σ = 21579204533040. Its totient is φ = 21303458905248.

The previous prime is 21441323414023. The next prime is 21441323414117. The reversal of 21441323414051 is 15041432314412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21441323414051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21441323411051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1557341 + ... + 6731118.

It is an arithmetic number, because the mean of its divisors is an integer number (2697400566630).

Almost surely, 2^{21441323414051} is an apocalyptic number.

21441323414051 is a deficient number, since it is larger than the sum of its proper divisors (137881118989).

21441323414051 is a wasteful number, since it uses less digits than its factorization.

21441323414051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8305093.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 21441323414051 its reverse (15041432314412), we get a palindrome (36482755728463).

The spelling of 21441323414051 in words is "twenty-one trillion, four hundred forty-one billion, three hundred twenty-three million, four hundred fourteen thousand, fifty-one".