111403400103 has 12 divisors (see below), whose sum is σ = 160979184600. Its totient is φ = 74239781616.

The previous prime is 111403400051. The next prime is 111403400137. The reversal of 111403400103 is 301004304111.

It is not a de Polignac number, because 111403400103 - 2⁸ = 111403399847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111403400183) 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, 2405101 + ... + 2450982.

It is an arithmetic number, because the mean of its divisors is an integer number (13414932050).

Almost surely, 2^111403400103 is an apocalyptic number.

111403400103 is a deficient number, since it is larger than the sum of its proper divisors (49575784497).

111403400103 is a wasteful number, since it uses less digits than its factorization.

111403400103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4858638 (or 4858635 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 111403400103 its reverse (301004304111), we get a palindrome (412407704214).

The spelling of 111403400103 in words is "one hundred eleven billion, four hundred three million, four hundred thousand, one hundred three".