111141311 has 8 divisors (see below), whose sum is σ = 115117200. Its totient is φ = 107175040.

The previous prime is 111141271. The next prime is 111141319. The reversal of 111141311 is 113141111.

It is a happy number.

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 111141311 - 2²² = 106947007 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 (111141319) 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 7 ways as a sum of consecutive naturals, for example, 27671 + ... + 31431.

It is an arithmetic number, because the mean of its divisors is an integer number (14389650).

Almost surely, 2^111141311 is an apocalyptic number.

111141311 is a deficient number, since it is larger than the sum of its proper divisors (3975889).

111141311 is a wasteful number, since it uses less digits than its factorization.

111141311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4809.

The product of its digits is 12, while the sum is 14.

The square root of 111141311 is about 10542.3579430790. The cubic root of 111141311 is about 480.7934086004.

Adding to 111141311 its reverse (113141111), we get a palindrome (224282422).

The spelling of 111141311 in words is "one hundred eleven million, one hundred forty-one thousand, three hundred eleven".