111232401140 has 96 divisors (see below), whose sum is σ = 285837672960. Its totient is φ = 35490115584.

The previous prime is 111232401139. The next prime is 111232401173. The reversal of 111232401140 is 41104232111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50744 + ... + 474383.

It is an arithmetic number, because the mean of its divisors is an integer number (2977475760).

Almost surely, 2^111232401140 is an apocalyptic number.

111232401140 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 111232401140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142918836480).

111232401140 is an abundant number, since it is smaller than the sum of its proper divisors (174605271820).

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

111232401140 is a wasteful number, since it uses less digits than its factorization.

111232401140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525249 (or 525247 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 111232401140 its reverse (41104232111), we get a palindrome (152336633251).

The spelling of 111232401140 in words is "one hundred eleven billion, two hundred thirty-two million, four hundred one thousand, one hundred forty".