11001011001011 has 8 divisors (see below), whose sum is σ = 11156228604864. Its totient is φ = 10846333285480.

The previous prime is 11001011001007. The next prime is 11001011001037. The reversal of 11001011001011 is 11010011010011.

11001011001011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11001011001011 - 2² = 11001011001007 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 11001011001011.

It is not an unprimeable number, because it can be changed into a prime (11001011001041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134931041 + ... + 135012546.

It is an arithmetic number, because the mean of its divisors is an integer number (1394528575608).

Almost surely, 2^{11001011001011} is an apocalyptic number.

11001011001011 is a deficient number, since it is larger than the sum of its proper divisors (155217603853).

11001011001011 is an equidigital number, since it uses as much as digits as its factorization.

11001011001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269944161.

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

Adding to 11001011001011 its reverse (11010011010011), we get a palindrome (22011022011022).

The spelling of 11001011001011 in words is "eleven trillion, one billion, eleven million, one thousand, eleven".