11001000111011 has 4 divisors (see below), whose sum is σ = 11023966708800. Its totient is φ = 10978033513224.

The previous prime is 11001000110959. The next prime is 11001000111053. The reversal of 11001000111011 is 11011100010011.

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-11001000111011 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 11001000111011.

It is not an unprimeable number, because it can be changed into a prime (11001000111091) 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, 11483298176 + ... + 11483299133.

It is an arithmetic number, because the mean of its divisors is an integer number (2755991677200).

Almost surely, 2^{11001000111011} is an apocalyptic number.

11001000111011 is a deficient number, since it is larger than the sum of its proper divisors (22966597789).

11001000111011 is an equidigital number, since it uses as much as digits as its factorization.

11001000111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22966597788.

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

Adding to 11001000111011 its reverse (11011100010011), we get a palindrome (22012100121022).

The spelling of 11001000111011 in words is "eleven trillion, one billion, one hundred eleven thousand, eleven".