11111112163111 has 2 divisors, whose sum is σ = 11111112163112. Its totient is φ = 11111112163110.

The previous prime is 11111112163097. The next prime is 11111112163147. The reversal of 11111112163111 is 11136121111111.

11111112163111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a m-pointer prime, because the next prime (11111112163147) can be obtained adding 11111112163111 to its product of digits (36).

It is a weak prime.

It is an emirp because it is prime and its reverse (11136121111111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11111112163111 - 2³³ = 11102522228519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11111112163181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555556081555 + 5555556081556.

It is an arithmetic number, because the mean of its divisors is an integer number (5555556081556).

Almost surely, 2^{11111112163111} is an apocalyptic number.

11111112163111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111112163111 is an equidigital number, since it uses as much as digits as its factorization.

11111112163111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36, while the sum is 22.

Adding to 11111112163111 its reverse (11136121111111), we get a palindrome (22247233274222).

The spelling of 11111112163111 in words is "eleven trillion, one hundred eleven billion, one hundred twelve million, one hundred sixty-three thousand, one hundred eleven".