11321203033205 has 16 divisors (see below), whose sum is σ = 15266585496960. Its totient is φ = 7996782877248.

The previous prime is 11321203033141. The next prime is 11321203033247. The reversal of 11321203033205 is 50233030212311.

It is a cyclic number.

It is not a de Polignac number, because 11321203033205 - 2⁶ = 11321203033141 is a prime.

It is a Curzon number.

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, 3786354035 + ... + 3786357024.

It is an arithmetic number, because the mean of its divisors is an integer number (954161593560).

Almost surely, 2^{11321203033205} is an apocalyptic number.

It is an amenable number.

11321203033205 is a deficient number, since it is larger than the sum of its proper divisors (3945382463755).

11321203033205 is a wasteful number, since it uses less digits than its factorization.

11321203033205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7572711100.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 11321203033205 its reverse (50233030212311), we get a palindrome (61554233245516).

The spelling of 11321203033205 in words is "eleven trillion, three hundred twenty-one billion, two hundred three million, thirty-three thousand, two hundred five".