11001203323013 has 4 divisors (see below), whose sum is σ = 11022816689580. Its totient is φ = 10979589956448.

The previous prime is 11001203322983. The next prime is 11001203323031. The reversal of 11001203323013 is 31032330210011.

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 8198733135649 + 2802470187364 = 2863343^2 + 1674058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11001203323013 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 (11001203322013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10806682520 + ... + 10806683537.

It is an arithmetic number, because the mean of its divisors is an integer number (2755704172395).

Almost surely, 2^{11001203323013} is an apocalyptic number.

It is an amenable number.

11001203323013 is a deficient number, since it is larger than the sum of its proper divisors (21613366567).

11001203323013 is an equidigital number, since it uses as much as digits as its factorization.

11001203323013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21613366566.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11001203323013 its reverse (31032330210011), we get a palindrome (42033533533024).

The spelling of 11001203323013 in words is "eleven trillion, one billion, two hundred three million, three hundred twenty-three thousand, thirteen".