111530320404 has 24 divisors (see below), whose sum is σ = 265147555680. Its totient is φ = 36475324704.

The previous prime is 111530320403. The next prime is 111530320439. The reversal of 111530320404 is 404023035111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111530320403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87680434 + ... + 87681705.

It is an arithmetic number, because the mean of its divisors is an integer number (11047814820).

Almost surely, 2^111530320404 is an apocalyptic number.

It is an amenable number.

111530320404 is an abundant number, since it is smaller than the sum of its proper divisors (153617235276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111530320404 is a wasteful number, since it uses less digits than its factorization.

111530320404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175362199 (or 175362197 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 111530320404 its reverse (404023035111), we get a palindrome (515553355515).

The spelling of 111530320404 in words is "one hundred eleven billion, five hundred thirty million, three hundred twenty thousand, four hundred four".