11010011011 has 4 divisors (see below), whose sum is σ = 11016493000. Its totient is φ = 11003529024.

The previous prime is 11010011009. The next prime is 11010011027. The reversal of 11010011011 is 11011001011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11010011011 - 2¹ = 11010011009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11010010985 and 11010011003.

It is not an unprimeable number, because it can be changed into a prime (11010011071) 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, 3238446 + ... + 3241843.

It is an arithmetic number, because the mean of its divisors is an integer number (2754123250).

Almost surely, 2^11010011011 is an apocalyptic number.

11010011011 is a deficient number, since it is larger than the sum of its proper divisors (6481989).

11010011011 is an equidigital number, since it uses as much as digits as its factorization.

11010011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6481988.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 11010011011 its reverse (11011001011), we get a palindrome (22021012022).

The spelling of 11010011011 in words is "eleven billion, ten million, eleven thousand, eleven".