111400440403 has 16 divisors (see below), whose sum is σ = 129341122560. Its totient is φ = 93974119200.

The previous prime is 111400440329. The next prime is 111400440421. The reversal of 111400440403 is 304044004111.

It is a cyclic number.

It is not a de Polignac number, because 111400440403 - 2¹⁷ = 111400309331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111400441403) 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, 151888 + ... + 495853.

It is an arithmetic number, because the mean of its divisors is an integer number (8083820160).

Almost surely, 2^111400440403 is an apocalyptic number.

111400440403 is a deficient number, since it is larger than the sum of its proper divisors (17940682157).

111400440403 is an equidigital number, since it uses as much as digits as its factorization.

111400440403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648138.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 111400440403 its reverse (304044004111), we get a palindrome (415444444514).

The spelling of 111400440403 in words is "one hundred eleven billion, four hundred million, four hundred forty thousand, four hundred three".