11181288223811 has 2 divisors, whose sum is σ = 11181288223812. Its totient is φ = 11181288223810.

The previous prime is 11181288223793. The next prime is 11181288223813. The reversal of 11181288223811 is 11832288218111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11181288223811 is a prime.

Together with 11181288223813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11181288223813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5590644111905 + 5590644111906.

It is an arithmetic number, because the mean of its divisors is an integer number (5590644111906).

Almost surely, 2^{11181288223811} is an apocalyptic number.

11181288223811 is a deficient number, since it is larger than the sum of its proper divisors (1).

11181288223811 is an equidigital number, since it uses as much as digits as its factorization.

11181288223811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98304, while the sum is 47.

The spelling of 11181288223811 in words is "eleven trillion, one hundred eighty-one billion, two hundred eighty-eight million, two hundred twenty-three thousand, eight hundred eleven".