111134144189 has 2 divisors, whose sum is σ = 111134144190. Its totient is φ = 111134144188.

The previous prime is 111134144179. The next prime is 111134144249. The reversal of 111134144189 is 981441431111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110401359289 + 732784900 = 332267^2 + 27070^2 .

It is an emirp because it is prime and its reverse (981441431111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111134144189 - 2³² = 106839176893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111134144159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55567072094 + 55567072095.

It is an arithmetic number, because the mean of its divisors is an integer number (55567072095).

Almost surely, 2^111134144189 is an apocalyptic number.

It is an amenable number.

111134144189 is a deficient number, since it is larger than the sum of its proper divisors (1).

111134144189 is an equidigital number, since it uses as much as digits as its factorization.

111134144189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 38.

The spelling of 111134144189 in words is "one hundred eleven billion, one hundred thirty-four million, one hundred forty-four thousand, one hundred eighty-nine".