204235304011 has 4 divisors (see below), whose sum is σ = 204706979512. Its totient is φ = 203763628512.

The previous prime is 204235303999. The next prime is 204235304029. The reversal of 204235304011 is 110403532402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110403532402 = 2 ⋅55201766201.

It is a cyclic number.

It is not a de Polignac number, because 204235304011 - 2³⁷ = 66796350539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204235004011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235837101 + ... + 235837966.

It is an arithmetic number, because the mean of its divisors is an integer number (51176744878).

Almost surely, 2^204235304011 is an apocalyptic number.

204235304011 is a deficient number, since it is larger than the sum of its proper divisors (471675501).

204235304011 is an equidigital number, since it uses as much as digits as its factorization.

204235304011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471675500.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 204235304011 its reverse (110403532402), we get a palindrome (314638836413).

The spelling of 204235304011 in words is "two hundred four billion, two hundred thirty-five million, three hundred four thousand, eleven".