11011000101011 has 4 divisors (see below), whose sum is σ = 11218754819952. Its totient is φ = 10803245382072.

The previous prime is 11011000100999. The next prime is 11011000101029. The reversal of 11011000101011 is 11010100011011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11011000101011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11011000101011.

It is not an unprimeable number, because it can be changed into a prime (11011000101041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103877359391 + ... + 103877359496.

It is an arithmetic number, because the mean of its divisors is an integer number (2804688704988).

Almost surely, 2^{11011000101011} is an apocalyptic number.

11011000101011 is a deficient number, since it is larger than the sum of its proper divisors (207754718941).

11011000101011 is an equidigital number, since it uses as much as digits as its factorization.

11011000101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207754718940.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 11011000101011 its reverse (11010100011011), we get a palindrome (22021100112022).

The spelling of 11011000101011 in words is "eleven trillion, eleven billion, one hundred one thousand, eleven".