111360442169 has 2 divisors, whose sum is σ = 111360442170. Its totient is φ = 111360442168.

The previous prime is 111360442153. The next prime is 111360442177. The reversal of 111360442169 is 961244063111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61497552169 + 49862890000 = 247987^2 + 223300^2 .

It is an emirp because it is prime and its reverse (961244063111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111360442169 - 2⁴ = 111360442153 is a prime.

It is a super-2 number, since 2×111360442169² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111360447169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55680221084 + 55680221085.

It is an arithmetic number, because the mean of its divisors is an integer number (55680221085).

Almost surely, 2^111360442169 is an apocalyptic number.

It is an amenable number.

111360442169 is a deficient number, since it is larger than the sum of its proper divisors (1).

111360442169 is an equidigital number, since it uses as much as digits as its factorization.

111360442169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 111360442169 in words is "one hundred eleven billion, three hundred sixty million, four hundred forty-two thousand, one hundred sixty-nine".