111110159 has 4 divisors (see below), whose sum is σ = 111361416. Its totient is φ = 110858904.

The previous prime is 111110143. The next prime is 111110177. The reversal of 111110159 is 951011111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 951011111 = 37 ⋅25703003.

It is a cyclic number.

It is not a de Polignac number, because 111110159 - 2⁴ = 111110143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111110159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111110059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124964 + ... + 125849.

It is an arithmetic number, because the mean of its divisors is an integer number (27840354).

Almost surely, 2^111110159 is an apocalyptic number.

111110159 is a deficient number, since it is larger than the sum of its proper divisors (251257).

111110159 is an equidigital number, since it uses as much as digits as its factorization.

111110159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251256.

The product of its (nonzero) digits is 45, while the sum is 20.

The square root of 111110159 is about 10540.8803712024. The cubic root of 111110159 is about 480.7484835834.

The spelling of 111110159 in words is "one hundred eleven million, one hundred ten thousand, one hundred fifty-nine".