111125115 has 56 divisors (see below), whose sum is σ = 204871920. Its totient is φ = 57806784.

The previous prime is 111125101. The next prime is 111125123. The reversal of 111125115 is 511521111.

It is not a de Polignac number, because 111125115 - 2⁵ = 111125083 is a prime.

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 55 ways as a sum of consecutive naturals, for example, 156381 + ... + 157089.

Almost surely, 2^111125115 is an apocalyptic number.

111125115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

111125115 is a deficient number, since it is larger than the sum of its proper divisors (93746805).

111125115 is an frugal number, since it uses more digits than its factorization.

111125115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775 (or 760 counting only the distinct ones).

The product of its digits is 50, while the sum is 18.

The square root of 111125115 is about 10541.5897757407. The cubic root of 111125115 is about 480.7700530234.

Adding to 111125115 its reverse (511521111), we get a palindrome (622646226).

The spelling of 111125115 in words is "one hundred eleven million, one hundred twenty-five thousand, one hundred fifteen".