111365125 has 16 divisors (see below), whose sum is σ = 140375664. Its totient is φ = 88200000.

The previous prime is 111365101. The next prime is 111365129. The reversal of 111365125 is 521563111.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6548481 + 104816644 = 2559^2 + 10238^2 .

It is not a de Polignac number, because 111365125 - 2⁹ = 111364613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 111365125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111365129) 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 15 ways as a sum of consecutive naturals, for example, 8215 + ... + 17035.

It is an arithmetic number, because the mean of its divisors is an integer number (8773479).

Almost surely, 2^111365125 is an apocalyptic number.

It is an amenable number.

111365125 is a deficient number, since it is larger than the sum of its proper divisors (29010539).

111365125 is an equidigital number, since it uses as much as digits as its factorization.

111365125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8937 (or 8927 counting only the distinct ones).

The product of its digits is 900, while the sum is 25.

The square root of 111365125 is about 10552.9675921041. The cubic root of 111365125 is about 481.1159293702.

It can be divided in two parts, 11136 and 5125, that added together give a palindrome (16261).

The spelling of 111365125 in words is "one hundred eleven million, three hundred sixty-five thousand, one hundred twenty-five".