204253144505104 has 20 divisors (see below), whose sum is σ = 395766396043776. Its totient is φ = 102119881009952.

The previous prime is 204253144505071. The next prime is 204253144505167. The reversal of 204253144505104 is 401505441352402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417950824 + ... + 418439239.

Almost surely, 2^{204253144505104} is an apocalyptic number.

It is an amenable number.

204253144505104 is a deficient number, since it is larger than the sum of its proper divisors (191513251538672).

204253144505104 is a wasteful number, since it uses less digits than its factorization.

204253144505104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836405334 (or 836405328 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 204253144505104 its reverse (401505441352402), we get a palindrome (605758585857506).

The spelling of 204253144505104 in words is "two hundred four trillion, two hundred fifty-three billion, one hundred forty-four million, five hundred five thousand, one hundred four".