111600003 has 4 divisors (see below), whose sum is σ = 148800008. Its totient is φ = 74400000.

The previous prime is 111599989. The next prime is 111600011. The reversal of 111600003 is 300006111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300006111 = 3 ⋅100002037.

It is not a de Polignac number, because 111600003 - 2⁴ = 111599987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111600703) 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, 18599998 + ... + 18600003.

It is an arithmetic number, because the mean of its divisors is an integer number (37200002).

Almost surely, 2^111600003 is an apocalyptic number.

111600003 is a deficient number, since it is larger than the sum of its proper divisors (37200005).

111600003 is an equidigital number, since it uses as much as digits as its factorization.

111600003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37200004.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 111600003 is about 10564.0902589859. The cubic root of 111600003 is about 481.4539292473.

Adding to 111600003 its reverse (300006111), we get a palindrome (411606114).

The spelling of 111600003 in words is "one hundred eleven million, six hundred thousand, three".