204004334111 has 8 divisors (see below), whose sum is σ = 212878614240. Its totient is φ = 195130431232.

The previous prime is 204004334071. The next prime is 204004334137. The reversal of 204004334111 is 111433400402.

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 204004334111 - 2³⁰ = 202930592287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204004330111) 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, 2009255 + ... + 2108343.

It is an arithmetic number, because the mean of its divisors is an integer number (26609826780).

Almost surely, 2^204004334111 is an apocalyptic number.

204004334111 is a deficient number, since it is larger than the sum of its proper divisors (8874280129).

204004334111 is an equidigital number, since it uses as much as digits as its factorization.

204004334111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188625.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 204004334111 its reverse (111433400402), we get a palindrome (315437734513).

The spelling of 204004334111 in words is "two hundred four billion, four million, three hundred thirty-four thousand, one hundred eleven".