11112338161 has 2 divisors, whose sum is σ = 11112338162. Its totient is φ = 11112338160.

The previous prime is 11112338147. The next prime is 11112338173. The reversal of 11112338161 is 16183321111.

11112338161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8289009936 + 2823328225 = 91044^2 + 53135^2 .

It is a cyclic number.

It is not a de Polignac number, because 11112338161 - 2⁵ = 11112338129 is a prime.

It is not a weakly prime, because it can be changed into another prime (11112338101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556169080 + 5556169081.

It is an arithmetic number, because the mean of its divisors is an integer number (5556169081).

Almost surely, 2^11112338161 is an apocalyptic number.

It is an amenable number.

11112338161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112338161 is an equidigital number, since it uses as much as digits as its factorization.

11112338161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 28.

Adding to 11112338161 its reverse (16183321111), we get a palindrome (27295659272).

The spelling of 11112338161 in words is "eleven billion, one hundred twelve million, three hundred thirty-eight thousand, one hundred sixty-one".