111328025 has 6 divisors (see below), whose sum is σ = 138046782. Its totient is φ = 89062400.

The previous prime is 111328003. The next prime is 111328057. The reversal of 111328025 is 520823111.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 994009 + 110334016 = 997^2 + 10504^2 .

It is not a de Polignac number, because 111328025 - 2¹⁰ = 111327001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2226536 + ... + 2226585.

It is an arithmetic number, because the mean of its divisors is an integer number (23007797).

Almost surely, 2^111328025 is an apocalyptic number.

It is an amenable number.

111328025 is a deficient number, since it is larger than the sum of its proper divisors (26718757).

111328025 is an equidigital number, since it uses as much as digits as its factorization.

111328025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4453131 (or 4453126 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 111328025 is about 10551.2096462917. The cubic root of 111328025 is about 481.0624973721.

The spelling of 111328025 in words is "one hundred eleven million, three hundred twenty-eight thousand, twenty-five".