21104364311 has 8 divisors (see below), whose sum is σ = 22025402880. Its totient is φ = 20183613912.

The previous prime is 21104364283. The next prime is 21104364331. The reversal of 21104364311 is 11346340112.

It is a happy number.

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 21104364311 - 2¹⁸ = 21104102167 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 (21104364331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84926 + ... + 222308.

It is an arithmetic number, because the mean of its divisors is an integer number (2753175360).

Almost surely, 2^21104364311 is an apocalyptic number.

21104364311 is a deficient number, since it is larger than the sum of its proper divisors (921038569).

21104364311 is a wasteful number, since it uses less digits than its factorization.

21104364311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144085.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 21104364311 in words is "twenty-one billion, one hundred four million, three hundred sixty-four thousand, three hundred eleven".