11001000011011 has 16 divisors (see below), whose sum is σ = 11123730000000. Its totient is φ = 10878943108096.

The previous prime is 11001000011009. The next prime is 11001000011083. The reversal of 11001000011011 is 11011000010011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11001000011011 - 2¹ = 11001000011009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11001000010985 and 11001000011003.

It is not an unprimeable number, because it can be changed into a prime (11001000071011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165522315 + ... + 165588763.

It is an arithmetic number, because the mean of its divisors is an integer number (695233125000).

Almost surely, 2^{11001000011011} is an apocalyptic number.

11001000011011 is a deficient number, since it is larger than the sum of its proper divisors (122729988989).

11001000011011 is a wasteful number, since it uses less digits than its factorization.

11001000011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71486.

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

Adding to 11001000011011 its reverse (11011000010011), we get a palindrome (22012000021022).

The spelling of 11001000011011 in words is "eleven trillion, one billion, eleven thousand, eleven".