111579378 has 8 divisors (see below), whose sum is σ = 223158768. Its totient is φ = 37193124.

The previous prime is 111579373. The next prime is 111579379. The reversal of 111579378 is 873975111.

It is a happy number.

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

111579378 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111579373) 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 3 ways as a sum of consecutive naturals, for example, 9298276 + ... + 9298287.

It is an arithmetic number, because the mean of its divisors is an integer number (27894846).

Almost surely, 2^111579378 is an apocalyptic number.

111579378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111579378 is a wasteful number, since it uses less digits than its factorization.

111579378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18596568.

The product of its digits is 52920, while the sum is 42.

The square root of 111579378 is about 10563.1140294896. The cubic root of 111579378 is about 481.4242679606.

The spelling of 111579378 in words is "one hundred eleven million, five hundred seventy-nine thousand, three hundred seventy-eight".