21044141510143 has 8 divisors (see below), whose sum is σ = 21180206383488. Its totient is φ = 20908102279584.

The previous prime is 21044141510141. The next prime is 21044141510219. The reversal of 21044141510143 is 34101514144012.

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 21044141510143 - 2¹ = 21044141510141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21044141510141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4762696 + ... + 8048077.

It is an arithmetic number, because the mean of its divisors is an integer number (2647525797936).

Almost surely, 2^{21044141510143} is an apocalyptic number.

21044141510143 is a deficient number, since it is larger than the sum of its proper divisors (136064873345).

21044141510143 is a wasteful number, since it uses less digits than its factorization.

21044141510143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12821393.

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 21044141510143 its reverse (34101514144012), we get a palindrome (55145655654155).

The spelling of 21044141510143 in words is "twenty-one trillion, forty-four billion, one hundred forty-one million, five hundred ten thousand, one hundred forty-three".