111430400103 has 24 divisors (see below), whose sum is σ = 177702819840. Its totient is φ = 66719913360.

The previous prime is 111430400077. The next prime is 111430400143. The reversal of 111430400103 is 301004034111.

It is not a de Polignac number, because 111430400103 - 2¹⁷ = 111430269031 is a prime.

It is a super-2 number, since 2×111430400103² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111430400143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6772263 + ... + 6788696.

It is an arithmetic number, because the mean of its divisors is an integer number (7404284160).

Almost surely, 2^111430400103 is an apocalyptic number.

111430400103 is a deficient number, since it is larger than the sum of its proper divisors (66272419737).

111430400103 is a wasteful number, since it uses less digits than its factorization.

111430400103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13561059 (or 13561056 counting only the distinct ones).

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

Adding to 111430400103 its reverse (301004034111), we get a palindrome (412434434214).

The spelling of 111430400103 in words is "one hundred eleven billion, four hundred thirty million, four hundred thousand, one hundred three".