111485441 has 2 divisors, whose sum is σ = 111485442. Its totient is φ = 111485440.

The previous prime is 111485417. The next prime is 111485459. The reversal of 111485441 is 144584111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106172416 + 5313025 = 10304^2 + 2305^2 .

It is a cyclic number.

It is not a de Polignac number, because 111485441 - 2⁶ = 111485377 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (111485401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55742720 + 55742721.

It is an arithmetic number, because the mean of its divisors is an integer number (55742721).

Almost surely, 2^111485441 is an apocalyptic number.

It is an amenable number.

111485441 is a deficient number, since it is larger than the sum of its proper divisors (1).

111485441 is an equidigital number, since it uses as much as digits as its factorization.

111485441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2560, while the sum is 29.

The square root of 111485441 is about 10558.6666298354. Note that the first 4 decimals coincide. The cubic root of 111485441 is about 481.2891287463.

The spelling of 111485441 in words is "one hundred eleven million, four hundred eighty-five thousand, four hundred forty-one".