204042044111 has 8 divisors (see below), whose sum is σ = 216396966384. Its totient is φ = 191726282880.

The previous prime is 204042044071. The next prime is 204042044189. The reversal of 204042044111 is 111440240402.

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

It is a de Polignac number, because none of the positive numbers 2^k-204042044111 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 (204042041111) 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, 9779525 + ... + 9800366.

It is an arithmetic number, because the mean of its divisors is an integer number (27049620798).

Almost surely, 2^204042044111 is an apocalyptic number.

204042044111 is a deficient number, since it is larger than the sum of its proper divisors (12354922273).

204042044111 is a wasteful number, since it uses less digits than its factorization.

204042044111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19580521.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 204042044111 its reverse (111440240402), we get a palindrome (315482284513).

The spelling of 204042044111 in words is "two hundred four billion, forty-two million, forty-four thousand, one hundred eleven".