111145003 has 12 divisors (see below), whose sum is σ = 120270360. Its totient is φ = 102425472.

The previous prime is 111144991. The next prime is 111145037. The reversal of 111145003 is 300541111.

It is not a de Polignac number, because 111145003 - 2²⁵ = 77590571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111145063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23875 + ... + 28147.

It is an arithmetic number, because the mean of its divisors is an integer number (10022530).

Almost surely, 2^111145003 is an apocalyptic number.

111145003 is a deficient number, since it is larger than the sum of its proper divisors (9125357).

111145003 is an equidigital number, since it uses as much as digits as its factorization.

111145003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4366 (or 4329 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 111145003 is about 10542.5330447668. The cubic root of 111145003 is about 480.7987323622.

Adding to 111145003 its reverse (300541111), we get a palindrome (411686114).

The spelling of 111145003 in words is "one hundred eleven million, one hundred forty-five thousand, three".