111144325 has 12 divisors (see below), whose sum is σ = 139709188. Its totient is φ = 87696000.

The previous prime is 111144307. The next prime is 111144343. The reversal of 111144325 is 523441111.

It is an interprime number because it is at equal distance from previous prime (111144307) and next prime (111144343).

It can be written as a sum of positive squares in 6 ways, for example, as 25341156 + 85803169 = 5034^2 + 9263^2 .

It is not a de Polignac number, because 111144325 - 2²⁵ = 77589893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111144296 and 111144305.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 28626 + ... + 32275.

Almost surely, 2^111144325 is an apocalyptic number.

It is an amenable number.

111144325 is a deficient number, since it is larger than the sum of its proper divisors (28564863).

111144325 is an equidigital number, since it uses as much as digits as its factorization.

111144325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60984 (or 60979 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 111144325 is about 10542.5008892577. The cubic root of 111144325 is about 480.7977547138.

Adding to 111144325 its reverse (523441111), we get a palindrome (634585436).

The spelling of 111144325 in words is "one hundred eleven million, one hundred forty-four thousand, three hundred twenty-five".