111544322403 has 4 divisors (see below), whose sum is σ = 148725763208. Its totient is φ = 74362881600.

The previous prime is 111544322399. The next prime is 111544322413. The reversal of 111544322403 is 304223445111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 111544322403 - 2² = 111544322399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111544322413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18590720398 + ... + 18590720403.

It is an arithmetic number, because the mean of its divisors is an integer number (37181440802).

Almost surely, 2^111544322403 is an apocalyptic number.

111544322403 is a deficient number, since it is larger than the sum of its proper divisors (37181440805).

111544322403 is an equidigital number, since it uses as much as digits as its factorization.

111544322403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37181440804.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 111544322403 its reverse (304223445111), we get a palindrome (415767767514).

The spelling of 111544322403 in words is "one hundred eleven billion, five hundred forty-four million, three hundred twenty-two thousand, four hundred three".