21733365308105 has 16 divisors (see below), whose sum is σ = 28451232288000. Its totient is φ = 15805927560960.

The previous prime is 21733365308099. The next prime is 21733365308129. The reversal of 21733365308105 is 50180356333712.

It is not a de Polignac number, because 21733365308105 - 2¹⁰ = 21733365307081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21733365308105.

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, 3812096 + ... + 7615694.

It is an arithmetic number, because the mean of its divisors is an integer number (1778202018000).

Almost surely, 2^{21733365308105} is an apocalyptic number.

It is an amenable number.

21733365308105 is a deficient number, since it is larger than the sum of its proper divisors (6717866979895).

21733365308105 is a wasteful number, since it uses less digits than its factorization.

21733365308105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3907504.

The product of its (nonzero) digits is 1360800, while the sum is 47.

The spelling of 21733365308105 in words is "twenty-one trillion, seven hundred thirty-three billion, three hundred sixty-five million, three hundred eight thousand, one hundred five".