111204425434169 has 2 divisors, whose sum is σ = 111204425434170. Its totient is φ = 111204425434168.

The previous prime is 111204425434163. The next prime is 111204425434183. The reversal of 111204425434169 is 961434524402111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109469409594169 + 1735015840000 = 10462763^2 + 1317200^2 .

It is a cyclic number.

It is not a de Polignac number, because 111204425434169 - 2¹² = 111204425430073 is a prime.

It is a super-2 number, since 2×111204425434169² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111204425434163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55602212717084 + 55602212717085.

It is an arithmetic number, because the mean of its divisors is an integer number (55602212717085).

Almost surely, 2^{111204425434169} is an apocalyptic number.

It is an amenable number.

111204425434169 is a deficient number, since it is larger than the sum of its proper divisors (1).

111204425434169 is an equidigital number, since it uses as much as digits as its factorization.

111204425434169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 111204425434169 in words is "one hundred eleven trillion, two hundred four billion, four hundred twenty-five million, four hundred thirty-four thousand, one hundred sixty-nine".