204444055111 has 16 divisors (see below), whose sum is σ = 214523959680. Its totient is φ = 194607290880.

The previous prime is 204444055063. The next prime is 204444055169. The reversal of 204444055111 is 111550444402.

It is a cyclic number.

It is not a de Polignac number, because 204444055111 - 2⁹ = 204444054599 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 (204444055171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4514521 + ... + 4559581.

It is an arithmetic number, because the mean of its divisors is an integer number (13407747480).

Almost surely, 2^204444055111 is an apocalyptic number.

204444055111 is a deficient number, since it is larger than the sum of its proper divisors (10079904569).

204444055111 is a wasteful number, since it uses less digits than its factorization.

204444055111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47754.

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 204444055111 its reverse (111550444402), we get a palindrome (315994499513).

The spelling of 204444055111 in words is "two hundred four billion, four hundred forty-four million, fifty-five thousand, one hundred eleven".