111428315 has 8 divisors (see below), whose sum is σ = 135407040. Its totient is φ = 88013952.

The previous prime is 111428311. The next prime is 111428327. The reversal of 111428315 is 513824111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111428315 - 2² = 111428311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111428311) 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 7 ways as a sum of consecutive naturals, for example, 140654 + ... + 141443.

It is an arithmetic number, because the mean of its divisors is an integer number (16925880).

Almost surely, 2^111428315 is an apocalyptic number.

111428315 is a deficient number, since it is larger than the sum of its proper divisors (23978725).

111428315 is an equidigital number, since it uses as much as digits as its factorization.

111428315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282181.

The product of its digits is 960, while the sum is 26.

The square root of 111428315 is about 10555.9611120921. The cubic root of 111428315 is about 481.2069092806.

The spelling of 111428315 in words is "one hundred eleven million, four hundred twenty-eight thousand, three hundred fifteen".