111353225 has 12 divisors (see below), whose sum is σ = 138498204. Its totient is φ = 88811520.

The previous prime is 111353183. The next prime is 111353227. The reversal of 111353225 is 522353111.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 10310521 + 101042704 = 3211^2 + 10052^2 .

It is not a de Polignac number, because 111353225 - 2⁶ = 111353161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111353225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111353227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1817 + ... + 15033.

It is an arithmetic number, because the mean of its divisors is an integer number (11541517).

Almost surely, 2^111353225 is an apocalyptic number.

It is an amenable number.

111353225 is a deficient number, since it is larger than the sum of its proper divisors (27144979).

111353225 is a wasteful number, since it uses less digits than its factorization.

111353225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13564 (or 13559 counting only the distinct ones).

The product of its digits is 900, while the sum is 23.

The square root of 111353225 is about 10552.4037545954. The cubic root of 111353225 is about 481.0987920977.

The spelling of 111353225 in words is "one hundred eleven million, three hundred fifty-three thousand, two hundred twenty-five".