11001100811 has 2 divisors, whose sum is σ = 11001100812. Its totient is φ = 11001100810.

The previous prime is 11001100801. The next prime is 11001100819. The reversal of 11001100811 is 11800110011.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (11800110011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11001100811 - 2²⁶ = 10933991947 is a prime.

It is not a weakly prime, because it can be changed into another prime (11001100819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500550405 + 5500550406.

It is an arithmetic number, because the mean of its divisors is an integer number (5500550406).

Almost surely, 2^11001100811 is an apocalyptic number.

11001100811 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001100811 is an equidigital number, since it uses as much as digits as its factorization.

11001100811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11001100811 its reverse (11800110011), we get a palindrome (22801210822).

The spelling of 11001100811 in words is "eleven billion, one million, one hundred thousand, eight hundred eleven".