204005265011 has 8 divisors (see below), whose sum is σ = 209491976400. Its totient is φ = 198542885760.

The previous prime is 204005265001. The next prime is 204005265017. The reversal of 204005265011 is 110562500402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204005265011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204005265017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6066041 + ... + 6099578.

It is an arithmetic number, because the mean of its divisors is an integer number (26186497050).

Almost surely, 2^204005265011 is an apocalyptic number.

204005265011 is a deficient number, since it is larger than the sum of its proper divisors (5486711389).

204005265011 is a wasteful number, since it uses less digits than its factorization.

204005265011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12166069.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 204005265011 its reverse (110562500402), we get a palindrome (314567765413).

The spelling of 204005265011 in words is "two hundred four billion, five million, two hundred sixty-five thousand, eleven".