204122523643115 has 288 divisors, whose sum is σ = 319659131151360. Its totient is φ = 124654093724160.

The previous prime is 204122523643111. The next prime is 204122523643141. The reversal of 204122523643115 is 511346325221402.

It is not a de Polignac number, because 204122523643115 - 2² = 204122523643111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204122523643111) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 126079383776 + ... + 126079385394.

It is an arithmetic number, because the mean of its divisors is an integer number (1109927538720).

Almost surely, 2^{204122523643115} is an apocalyptic number.

204122523643115 is a deficient number, since it is larger than the sum of its proper divisors (115536607508245).

204122523643115 is a wasteful number, since it uses less digits than its factorization.

204122523643115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183 (or 2165 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

Adding to 204122523643115 its reverse (511346325221402), we get a palindrome (715468848864517).

The spelling of 204122523643115 in words is "two hundred four trillion, one hundred twenty-two billion, five hundred twenty-three million, six hundred forty-three thousand, one hundred fifteen".