204454133211 has 8 divisors (see below), whose sum is σ = 272777725440. Its totient is φ = 136216648232.

The previous prime is 204454133203. The next prime is 204454133281. The reversal of 204454133211 is 112331454402.

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 204454133211 - 2³ = 204454133203 is a prime.

It is a super-2 number, since 2×204454133211² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204454133201) 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, 21521271 + ... + 21530768.

It is an arithmetic number, because the mean of its divisors is an integer number (34097215680).

Almost surely, 2^204454133211 is an apocalyptic number.

204454133211 is a deficient number, since it is larger than the sum of its proper divisors (68323592229).

204454133211 is a wasteful number, since it uses less digits than its factorization.

204454133211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43053625.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 204454133211 its reverse (112331454402), we get a palindrome (316785587613).

The spelling of 204454133211 in words is "two hundred four billion, four hundred fifty-four million, one hundred thirty-three thousand, two hundred eleven".