111378325 has 18 divisors (see below), whose sum is σ = 142251746. Its totient is φ = 86444640.

The previous prime is 111378317. The next prime is 111378331. The reversal of 111378325 is 523873111.

It can be written as a sum of positive squares in 3 ways, for example, as 23600164 + 87778161 = 4858^2 + 9369^2 .

It is not a de Polignac number, because 111378325 - 2³ = 111378317 is a prime.

It is a Duffinian number.

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 17 ways as a sum of consecutive naturals, for example, 320802 + ... + 321148.

Almost surely, 2^111378325 is an apocalyptic number.

It is an amenable number.

111378325 is a deficient number, since it is larger than the sum of its proper divisors (30873421).

111378325 is an frugal number, since it uses more digits than its factorization.

111378325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741 (or 389 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

The square root of 111378325 is about 10553.5929900674. The cubic root of 111378325 is about 481.1349373537.

The spelling of 111378325 in words is "one hundred eleven million, three hundred seventy-eight thousand, three hundred twenty-five".