11011012013 has 8 divisors (see below), whose sum is σ = 11818428408. Its totient is φ = 10221341184.

The previous prime is 11011012009. The next prime is 11011012027. The reversal of 11011012013 is 31021011011.

It is a happy number.

11011012013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1169776804 + 9841235209 = 34202^2 + 99203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11011012013 - 2² = 11011012009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11011011985 and 11011012003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011012043) 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 7 ways as a sum of consecutive naturals, for example, 4435106 + ... + 4437587.

It is an arithmetic number, because the mean of its divisors is an integer number (1477303551).

Almost surely, 2^11011012013 is an apocalyptic number.

It is an amenable number.

11011012013 is a deficient number, since it is larger than the sum of its proper divisors (807416395).

11011012013 is an equidigital number, since it uses as much as digits as its factorization.

11011012013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8872783.

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

Adding to 11011012013 its reverse (31021011011), we get a palindrome (42032023024).

The spelling of 11011012013 in words is "eleven billion, eleven million, twelve thousand, thirteen".