204136056111 has 8 divisors (see below), whose sum is σ = 293118439600. Its totient is φ = 125622188352.

The previous prime is 204136055989. The next prime is 204136056127. The reversal of 204136056111 is 111650631402.

It is a happy number.

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

It is not a de Polignac number, because 204136056111 - 2¹³ = 204136047919 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 (204136056211) 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, 2617128886 + ... + 2617128963.

It is an arithmetic number, because the mean of its divisors is an integer number (36639804950).

Almost surely, 2^204136056111 is an apocalyptic number.

204136056111 is a deficient number, since it is larger than the sum of its proper divisors (88982383489).

204136056111 is a wasteful number, since it uses less digits than its factorization.

204136056111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5234257865.

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 204136056111 its reverse (111650631402), we get a palindrome (315786687513).

The spelling of 204136056111 in words is "two hundred four billion, one hundred thirty-six million, fifty-six thousand, one hundred eleven".