11003020013 has 2 divisors, whose sum is σ = 11003020014. Its totient is φ = 11003020012.

The previous prime is 11003020009. The next prime is 11003020033. The reversal of 11003020013 is 31002030011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7604363209 + 3398656804 = 87203^2 + 58298^2 .

It is a cyclic number.

It is not a de Polignac number, because 11003020013 - 2² = 11003020009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11003019976 and 11003020003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11003020033) 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 as a sum of consecutive naturals, namely, 5501510006 + 5501510007.

It is an arithmetic number, because the mean of its divisors is an integer number (5501510007).

Almost surely, 2^11003020013 is an apocalyptic number.

It is an amenable number.

11003020013 is a deficient number, since it is larger than the sum of its proper divisors (1).

11003020013 is an equidigital number, since it uses as much as digits as its factorization.

11003020013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 11003020013 its reverse (31002030011), we get a palindrome (42005050024).

The spelling of 11003020013 in words is "eleven billion, three million, twenty thousand, thirteen".