111393143 has 8 divisors (see below), whose sum is σ = 117937200. Its totient is φ = 104917248.

The previous prime is 111393133. The next prime is 111393173. The reversal of 111393143 is 341393111.

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 111393143 - 2⁴ = 111393127 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 (111393103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13658 + ... + 20231.

It is an arithmetic number, because the mean of its divisors is an integer number (14742150).

Almost surely, 2^111393143 is an apocalyptic number.

111393143 is a deficient number, since it is larger than the sum of its proper divisors (6544057).

111393143 is a wasteful number, since it uses less digits than its factorization.

111393143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34081.

The product of its digits is 972, while the sum is 26.

The square root of 111393143 is about 10554.2950025096. The cubic root of 111393143 is about 481.1562734660.

The spelling of 111393143 in words is "one hundred eleven million, three hundred ninety-three thousand, one hundred forty-three".