11003323312213 has 4 divisors (see below), whose sum is σ = 11004848804428. Its totient is φ = 11001797820000.

The previous prime is 11003323312187. The next prime is 11003323312237. The reversal of 11003323312213 is 31221332330011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6065497129329 + 4937826182884 = 2462823^2 + 2222122^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11003323312213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11003323312253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 762735288 + ... + 762749713.

It is an arithmetic number, because the mean of its divisors is an integer number (2751212201107).

Almost surely, 2^{11003323312213} is an apocalyptic number.

It is an amenable number.

11003323312213 is a deficient number, since it is larger than the sum of its proper divisors (1525492215).

11003323312213 is an equidigital number, since it uses as much as digits as its factorization.

11003323312213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525492214.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 11003323312213 its reverse (31221332330011), we get a palindrome (42224655642224).

The spelling of 11003323312213 in words is "eleven trillion, three billion, three hundred twenty-three million, three hundred twelve thousand, two hundred thirteen".