111311042003 has 8 divisors (see below), whose sum is σ = 127485027072. Its totient is φ = 95205158856.

The previous prime is 111311041987. The next prime is 111311042023. The reversal of 111311042003 is 300240113111.

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 111311042003 - 2⁴ = 111311041987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111311042023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17021975 + ... + 17028512.

It is an arithmetic number, because the mean of its divisors is an integer number (15935628384).

Almost surely, 2^111311042003 is an apocalyptic number.

111311042003 is a deficient number, since it is larger than the sum of its proper divisors (16173985069).

111311042003 is an equidigital number, since it uses as much as digits as its factorization.

111311042003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34050961.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 111311042003 its reverse (300240113111), we get a palindrome (411551155114).

The spelling of 111311042003 in words is "one hundred eleven billion, three hundred eleven million, forty-two thousand, three".