204425445615 has 16 divisors (see below), whose sum is σ = 327106778208. Its totient is φ = 109018215936.

The previous prime is 204425445589. The next prime is 204425445703. The reversal of 204425445615 is 516544524402.

It is not a de Polignac number, because 204425445615 - 2¹⁸ = 204425183471 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346222 + ... + 727131.

It is an arithmetic number, because the mean of its divisors is an integer number (20444173638).

Almost surely, 2^204425445615 is an apocalyptic number.

204425445615 is a deficient number, since it is larger than the sum of its proper divisors (122681332593).

204425445615 is a wasteful number, since it uses less digits than its factorization.

204425445615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086058.

The product of its (nonzero) digits is 768000, while the sum is 42.

The spelling of 204425445615 in words is "two hundred four billion, four hundred twenty-five million, four hundred forty-five thousand, six hundred fifteen".