111042440403 has 16 divisors (see below), whose sum is σ = 158317942176. Its totient is φ = 68983846400.

The previous prime is 111042440381. The next prime is 111042440423. The reversal of 111042440403 is 304044240111.

It is a cyclic number.

It is not a de Polignac number, because 111042440403 - 2⁵ = 111042440371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111042440423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10773576 + ... + 10783877.

It is an arithmetic number, because the mean of its divisors is an integer number (9894871386).

Almost surely, 2^111042440403 is an apocalyptic number.

111042440403 is a deficient number, since it is larger than the sum of its proper divisors (47275501773).

111042440403 is a wasteful number, since it uses less digits than its factorization.

111042440403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21557574.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 111042440403 its reverse (304044240111), we get a palindrome (415086680514).

The spelling of 111042440403 in words is "one hundred eleven billion, forty-two million, four hundred forty thousand, four hundred three".