111111325 has 24 divisors (see below), whose sum is σ = 153505800. Its totient is φ = 79215360.

The previous prime is 111111323. The next prime is 111111331. The reversal of 111111325 is 523111111.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 81234169 + 29877156 = 9013^2 + 5466^2 .

It is not a de Polignac number, because 111111325 - 2¹ = 111111323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111111299 and 111111308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111111323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3531 + ... + 15319.

It is an arithmetic number, because the mean of its divisors is an integer number (6396075).

Almost surely, 2^111111325 is an apocalyptic number.

It is an amenable number.

111111325 is a deficient number, since it is larger than the sum of its proper divisors (42394475).

111111325 is a wasteful number, since it uses less digits than its factorization.

111111325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11841 (or 11836 counting only the distinct ones).

The product of its digits is 30, while the sum is 16.

The square root of 111111325 is about 10540.9356795305. The cubic root of 111111325 is about 480.7501652501.

Adding to 111111325 its reverse (523111111), we get a palindrome (634222436).

The spelling of 111111325 in words is "one hundred eleven million, one hundred eleven thousand, three hundred twenty-five".