21241011403304 has 64 divisors (see below), whose sum is σ = 49664232604800. Its totient is φ = 8274065356800.

The previous prime is 21241011403247. The next prime is 21241011403327. The reversal of 21241011403304 is 40330411014212.

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, 356477 + ... + 6527564.

It is an arithmetic number, because the mean of its divisors is an integer number (776003634450).

Almost surely, 2^{21241011403304} is an apocalyptic number.

It is an amenable number.

21241011403304 is an abundant number, since it is smaller than the sum of its proper divisors (28423221201496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21241011403304 is a wasteful number, since it uses less digits than its factorization.

21241011403304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6889074 (or 6889070 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 21241011403304 its reverse (40330411014212), we get a palindrome (61571422417516).

The spelling of 21241011403304 in words is "twenty-one trillion, two hundred forty-one billion, eleven million, four hundred three thousand, three hundred four".