21726575261133 has 8 divisors (see below), whose sum is σ = 28970537462688. Its totient is φ = 14483498283504.

The previous prime is 21726575261081. The next prime is 21726575261137. The reversal of 21726575261133 is 33116257562712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21726575261133 - 2¹⁴ = 21726575244749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21726575261137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221248710 + ... + 221346887.

It is an arithmetic number, because the mean of its divisors is an integer number (3621317182836).

Almost surely, 2^{21726575261133} is an apocalyptic number.

It is an amenable number.

21726575261133 is a deficient number, since it is larger than the sum of its proper divisors (7243962201555).

21726575261133 is a wasteful number, since it uses less digits than its factorization.

21726575261133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442611963.

The product of its digits is 3175200, while the sum is 51.

The spelling of 21726575261133 in words is "twenty-one trillion, seven hundred twenty-six billion, five hundred seventy-five million, two hundred sixty-one thousand, one hundred thirty-three".