11001100001011 has 16 divisors (see below), whose sum is σ = 11373590301696. Its totient is φ = 10629719100000.

The previous prime is 11001100000999. The next prime is 11001100001033. The reversal of 11001100001011 is 11010000110011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11001100001011 - 2³¹ = 10998952517363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11001100000985 and 11001100001003.

It is not an unprimeable number, because it can be changed into a prime (11008100001011) 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, 80911236 + ... + 81047086.

It is an arithmetic number, because the mean of its divisors is an integer number (710849393856).

Almost surely, 2^{11001100001011} is an apocalyptic number.

11001100001011 is a deficient number, since it is larger than the sum of its proper divisors (372490300685).

11001100001011 is a wasteful number, since it uses less digits than its factorization.

11001100001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139914.

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

Adding to 11001100001011 its reverse (11010000110011), we get a palindrome (22011100111022).

The spelling of 11001100001011 in words is "eleven trillion, one billion, one hundred million, one thousand, eleven".