111132345 has 32 divisors (see below), whose sum is σ = 183617280. Its totient is φ = 57359360.

The previous prime is 111132337. The next prime is 111132347. The reversal of 111132345 is 543231111.

It is not a de Polignac number, because 111132345 - 2³ = 111132337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111132347) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 83596 + ... + 84914.

It is an arithmetic number, because the mean of its divisors is an integer number (5738040).

Almost surely, 2^111132345 is an apocalyptic number.

111132345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111132345 is a deficient number, since it is larger than the sum of its proper divisors (72484935).

111132345 is a wasteful number, since it uses less digits than its factorization.

111132345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505.

The product of its digits is 360, while the sum is 21.

The square root of 111132345 is about 10541.9326975655. The cubic root of 111132345 is about 480.7804793856.

Adding to 111132345 its reverse (543231111), we get a palindrome (654363456).

The spelling of 111132345 in words is "one hundred eleven million, one hundred thirty-two thousand, three hundred forty-five".