111379111 has 8 divisors (see below), whose sum is σ = 116610480. Its totient is φ = 106240512.

The previous prime is 111379067. The next prime is 111379193. The reversal of 111379111 is 111973111.

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 111379111 - 2¹⁹ = 110854823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111377111) 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, 20730 + ... + 25543.

It is an arithmetic number, because the mean of its divisors is an integer number (14576310).

Almost surely, 2^111379111 is an apocalyptic number.

111379111 is a deficient number, since it is larger than the sum of its proper divisors (5231369).

111379111 is an equidigital number, since it uses as much as digits as its factorization.

111379111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46385.

The product of its digits is 189, while the sum is 25.

The square root of 111379111 is about 10553.6302285043. The cubic root of 111379111 is about 481.1360691453.

The spelling of 111379111 in words is "one hundred eleven million, three hundred seventy-nine thousand, one hundred eleven".