204105255633441 has 12 divisors (see below), whose sum is σ = 294882282262932. Its totient is φ = 136040825954016.

The previous prime is 204105255633407. The next prime is 204105255633529. The reversal of 204105255633441 is 144336552501402.

204105255633441 is a `hidden beast` number, since 2 + 0 + 4 + 1 + 0 + 5 + 2 + 5 + 5 + 633 + 4 + 4 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 61520162823441 + 142585092810000 = 7843479^2 + 11940900^2 .

It is a de Polignac number, because none of the positive numbers 2^k-204105255633441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204105255632441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2445328306 + ... + 2445411771.

It is an arithmetic number, because the mean of its divisors is an integer number (24573523521911).

Almost surely, 2^{204105255633441} is an apocalyptic number.

It is an amenable number.

204105255633441 is a deficient number, since it is larger than the sum of its proper divisors (90777026629491).

204105255633441 is a wasteful number, since it uses less digits than its factorization.

204105255633441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4890744720 (or 4890744717 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 204105255633441 in words is "two hundred four trillion, one hundred five billion, two hundred fifty-five million, six hundred thirty-three thousand, four hundred forty-one".