11011320011 has 4 divisors (see below), whose sum is σ = 11124838872. Its totient is φ = 10897801152.

The previous prime is 11011319911. The next prime is 11011320029. The reversal of 11011320011 is 11002311011.

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: 11002311011 = 8819 ⋅1247569.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11011320011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11011319974 and 11011320001.

It is not an unprimeable number, because it can be changed into a prime (11011325011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56759285 + ... + 56759478.

It is an arithmetic number, because the mean of its divisors is an integer number (2781209718).

Almost surely, 2^11011320011 is an apocalyptic number.

11011320011 is a deficient number, since it is larger than the sum of its proper divisors (113518861).

11011320011 is an equidigital number, since it uses as much as digits as its factorization.

11011320011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113518860.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 11011320011 its reverse (11002311011), we get a palindrome (22013631022).

The spelling of 11011320011 in words is "eleven billion, eleven million, three hundred twenty thousand, eleven".