204334400011 has 4 divisors (see below), whose sum is σ = 233525028592. Its totient is φ = 175143771432.

The previous prime is 204334400009. The next prime is 204334400041. The reversal of 204334400011 is 110004433402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110004433402 = 2 ⋅55002216701.

It is not a de Polignac number, because 204334400011 - 2¹ = 204334400009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204334400041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14595314280 + ... + 14595314293.

It is an arithmetic number, because the mean of its divisors is an integer number (58381257148).

Almost surely, 2^204334400011 is an apocalyptic number.

204334400011 is a deficient number, since it is larger than the sum of its proper divisors (29190628581).

204334400011 is an equidigital number, since it uses as much as digits as its factorization.

204334400011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29190628580.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 204334400011 its reverse (110004433402), we get a palindrome (314338833413).

The spelling of 204334400011 in words is "two hundred four billion, three hundred thirty-four million, four hundred thousand, eleven".