204261252643201 has 48 divisors (see below), whose sum is σ = 233896292582400. Its totient is φ = 177293918914560.

The previous prime is 204261252643187. The next prime is 204261252643213. The reversal of 204261252643201 is 102346252162402.

It is not a de Polignac number, because 204261252643201 - 2⁵ = 204261252643169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204261252643501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 402213226 + ... + 402720748.

It is an arithmetic number, because the mean of its divisors is an integer number (4872839428800).

Almost surely, 2^{204261252643201} is an apocalyptic number.

It is an amenable number.

204261252643201 is a deficient number, since it is larger than the sum of its proper divisors (29635039939199).

204261252643201 is a wasteful number, since it uses less digits than its factorization.

204261252643201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508214 (or 508195 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 204261252643201 in words is "two hundred four trillion, two hundred sixty-one billion, two hundred fifty-two million, six hundred forty-three thousand, two hundred one".