204859055159 has 4 divisors (see below), whose sum is σ = 223482605640. Its totient is φ = 186235504680.

The previous prime is 204859055117. The next prime is 204859055173. The reversal of 204859055159 is 951550958402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204859055159 - 2¹² = 204859051063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204859055159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204859055059) 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, 9311775224 + ... + 9311775245.

It is an arithmetic number, because the mean of its divisors is an integer number (55870651410).

Almost surely, 2^204859055159 is an apocalyptic number.

204859055159 is a deficient number, since it is larger than the sum of its proper divisors (18623550481).

204859055159 is a wasteful number, since it uses less digits than its factorization.

204859055159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18623550480.

The product of its (nonzero) digits is 3240000, while the sum is 53.

The spelling of 204859055159 in words is "two hundred four billion, eight hundred fifty-nine million, fifty-five thousand, one hundred fifty-nine".