111132115 has 4 divisors (see below), whose sum is σ = 133358544. Its totient is φ = 88905688.

The previous prime is 111132107. The next prime is 111132137. The reversal of 111132115 is 511231111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 511231111 = 29 ⋅17628659.

It is a cyclic number.

It is not a de Polignac number, because 111132115 - 2³ = 111132107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11113207 + ... + 11113216.

It is an arithmetic number, because the mean of its divisors is an integer number (33339636).

Almost surely, 2^111132115 is an apocalyptic number.

111132115 is a deficient number, since it is larger than the sum of its proper divisors (22226429).

111132115 is an equidigital number, since it uses as much as digits as its factorization.

111132115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22226428.

The product of its digits is 30, while the sum is 16.

The square root of 111132115 is about 10541.9217887442. The cubic root of 111132115 is about 480.7801477103.

Adding to 111132115 its reverse (511231111), we get a palindrome (622363226).

The spelling of 111132115 in words is "one hundred eleven million, one hundred thirty-two thousand, one hundred fifteen".