21323249885104 has 40 divisors (see below), whose sum is σ = 41344206192320. Its totient is φ = 10653778497600.

The previous prime is 21323249885087. The next prime is 21323249885153. The reversal of 21323249885104 is 40158894232312.

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, 375519787 + ... + 375576565.

It is an arithmetic number, because the mean of its divisors is an integer number (1033605154808).

Almost surely, 2^{21323249885104} is an apocalyptic number.

It is an amenable number.

21323249885104 is a deficient number, since it is larger than the sum of its proper divisors (20020956307216).

21323249885104 is a wasteful number, since it uses less digits than its factorization.

21323249885104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73649 (or 73643 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 21323249885104 in words is "twenty-one trillion, three hundred twenty-three billion, two hundred forty-nine million, eight hundred eighty-five thousand, one hundred four".