111440004543 has 72 divisors (see below), whose sum is σ = 197253014400. Its totient is φ = 60283058976.

The previous prime is 111440004523. The next prime is 111440004607. The reversal of 111440004543 is 345400044111.

111440004543 is a `hidden beast` number, since 1 + 114 + 4 + 0 + 0 + 0 + 4 + 543 = 666.

It is not a de Polignac number, because 111440004543 - 2⁹ = 111440004031 is a prime.

It is a super-2 number, since 2×111440004543² (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 (111440004523) 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 71 ways as a sum of consecutive naturals, for example, 13226230 + ... + 13234652.

It is an arithmetic number, because the mean of its divisors is an integer number (2739625200).

Almost surely, 2^111440004543 is an apocalyptic number.

111440004543 is a deficient number, since it is larger than the sum of its proper divisors (85813009857).

111440004543 is a wasteful number, since it uses less digits than its factorization.

111440004543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10041 (or 10031 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 111440004543 its reverse (345400044111), we get a palindrome (456840048654).

The spelling of 111440004543 in words is "one hundred eleven billion, four hundred forty million, four thousand, five hundred forty-three".