111425417 has 2 divisors, whose sum is σ = 111425418. Its totient is φ = 111425416.

The previous prime is 111425401. The next prime is 111425437. The reversal of 111425417 is 714524111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107723641 + 3701776 = 10379^2 + 1924^2 .

It is a cyclic number.

It is not a de Polignac number, because 111425417 - 2⁴ = 111425401 is a prime.

It is not a weakly prime, because it can be changed into another prime (111425437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55712708 + 55712709.

It is an arithmetic number, because the mean of its divisors is an integer number (55712709).

Almost surely, 2^111425417 is an apocalyptic number.

It is an amenable number.

111425417 is a deficient number, since it is larger than the sum of its proper divisors (1).

111425417 is an equidigital number, since it uses as much as digits as its factorization.

111425417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1120, while the sum is 26.

The square root of 111425417 is about 10555.8238427893. The cubic root of 111425417 is about 481.2027375411.

Adding to 111425417 its reverse (714524111), we get a palindrome (825949528).

The spelling of 111425417 in words is "one hundred eleven million, four hundred twenty-five thousand, four hundred seventeen".