11111101163 has 2 divisors, whose sum is σ = 11111101164. Its totient is φ = 11111101162.

The previous prime is 11111101159. The next prime is 11111101217. The reversal of 11111101163 is 36110111111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11111101163 - 2² = 11111101159 is a prime.

It is not a weakly prime, because it can be changed into another prime (11111101103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555550581 + 5555550582.

It is an arithmetic number, because the mean of its divisors is an integer number (5555550582).

Almost surely, 2^11111101163 is an apocalyptic number.

11111101163 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111101163 is an equidigital number, since it uses as much as digits as its factorization.

11111101163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 17.

Adding to 11111101163 its reverse (36110111111), we get a palindrome (47221212274).

The spelling of 11111101163 in words is "eleven billion, one hundred eleven million, one hundred one thousand, one hundred sixty-three".