111431041120 has 192 divisors, whose sum is σ = 315307036800. Its totient is φ = 37171685376.

The previous prime is 111431041109. The next prime is 111431041129. The reversal of 111431041120 is 21140134111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111431041129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2003122 + ... + 2057998.

It is an arithmetic number, because the mean of its divisors is an integer number (1642224150).

Almost surely, 2^111431041120 is an apocalyptic number.

111431041120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111431041120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157653518400).

111431041120 is an abundant number, since it is smaller than the sum of its proper divisors (203875995680).

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

111431041120 is an equidigital number, since it uses as much as digits as its factorization.

111431041120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54950 (or 54928 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 111431041120 its reverse (21140134111), we get a palindrome (132571175231).

The spelling of 111431041120 in words is "one hundred eleven billion, four hundred thirty-one million, forty-one thousand, one hundred twenty".