111204425434441 has 2 divisors, whose sum is σ = 111204425434442. Its totient is φ = 111204425434440.

The previous prime is 111204425434357. The next prime is 111204425434451. The reversal of 111204425434441 is 144434524402111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96239945558416 + 14964479876025 = 9810196^2 + 3868395^2 .

It is an emirp because it is prime and its reverse (144434524402111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111204425434441 - 2³⁹ = 110654669620553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111204425434394 and 111204425434403.

It is not a weakly prime, because it can be changed into another prime (111204425434451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55602212717220 + 55602212717221.

It is an arithmetic number, because the mean of its divisors is an integer number (55602212717221).

Almost surely, 2^{111204425434441} is an apocalyptic number.

It is an amenable number.

111204425434441 is a deficient number, since it is larger than the sum of its proper divisors (1).

111204425434441 is an equidigital number, since it uses as much as digits as its factorization.

111204425434441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 245760, while the sum is 40.

Adding to 111204425434441 its reverse (144434524402111), we get a palindrome (255638949836552).

The spelling of 111204425434441 in words is "one hundred eleven trillion, two hundred four billion, four hundred twenty-five million, four hundred thirty-four thousand, four hundred forty-one".