21443104003052 has 48 divisors (see below), whose sum is σ = 38281147766400. Its totient is φ = 10506978028800.

The previous prime is 21443104003049. The next prime is 21443104003081. The reversal of 21443104003052 is 25030040134412.

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, 104724758 + ... + 104929314.

It is an arithmetic number, because the mean of its divisors is an integer number (797523911800).

Almost surely, 2^{21443104003052} is an apocalyptic number.

It is an amenable number.

21443104003052 is a deficient number, since it is larger than the sum of its proper divisors (16838043763348).

21443104003052 is a wasteful number, since it uses less digits than its factorization.

21443104003052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206202 (or 206200 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 21443104003052 its reverse (25030040134412), we get a palindrome (46473144137464).

The spelling of 21443104003052 in words is "twenty-one trillion, four hundred forty-three billion, one hundred four million, three thousand, fifty-two".