111216325 has 12 divisors (see below), whose sum is σ = 150445728. Its totient is φ = 80884400.

The previous prime is 111216323. The next prime is 111216353. The reversal of 111216325 is 523612111.

It is a happy number.

It is not a de Polignac number, because 111216325 - 2¹ = 111216323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111216296 and 111216305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111216323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201937 + ... + 202486.

It is an arithmetic number, because the mean of its divisors is an integer number (12537144).

Almost surely, 2^111216325 is an apocalyptic number.

It is an amenable number.

111216325 is a deficient number, since it is larger than the sum of its proper divisors (39229403).

111216325 is a wasteful number, since it uses less digits than its factorization.

111216325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404444 (or 404439 counting only the distinct ones).

The product of its digits is 360, while the sum is 22.

The square root of 111216325 is about 10545.9150859468. The cubic root of 111216325 is about 480.9015535834.

Adding to 111216325 its reverse (523612111), we get a palindrome (634828436).

The spelling of 111216325 in words is "one hundred eleven million, two hundred sixteen thousand, three hundred twenty-five".