11013333013 has 4 divisors (see below), whose sum is σ = 11310990700. Its totient is φ = 10715675328.

The previous prime is 11013332977. The next prime is 11013333031. The reversal of 11013333013 is 31033331011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31033331011 = 110503 ⋅280837.

It can be written as a sum of positive squares in 2 ways, for example, as 9335037924 + 1678295089 = 96618^2 + 40967^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11013333013 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 (11013333053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148828788 + ... + 148828861.

It is an arithmetic number, because the mean of its divisors is an integer number (2827747675).

Almost surely, 2^11013333013 is an apocalyptic number.

It is an amenable number.

11013333013 is a deficient number, since it is larger than the sum of its proper divisors (297657687).

11013333013 is an equidigital number, since it uses as much as digits as its factorization.

11013333013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297657686.

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 11013333013 its reverse (31033331011), we get a palindrome (42046664024).

The spelling of 11013333013 in words is "eleven billion, thirteen million, three hundred thirty-three thousand, thirteen".