204105054005 has 16 divisors (see below), whose sum is σ = 249493392000. Its totient is φ = 160248404160.

The previous prime is 204105053947. The next prime is 204105054053. The reversal of 204105054005 is 500450501402.

It is not a de Polignac number, because 204105054005 - 2¹⁰ = 204105052981 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, 400826 + ... + 754235.

It is an arithmetic number, because the mean of its divisors is an integer number (15593337000).

Almost surely, 2^204105054005 is an apocalyptic number.

It is an amenable number.

204105054005 is a deficient number, since it is larger than the sum of its proper divisors (45388337995).

204105054005 is a wasteful number, since it uses less digits than its factorization.

204105054005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155724.

The product of its (nonzero) digits is 4000, while the sum is 26.

Adding to 204105054005 its reverse (500450501402), we get a palindrome (704555555407).

The spelling of 204105054005 in words is "two hundred four billion, one hundred five million, fifty-four thousand, five".