111331323104240 has 160 divisors (see below), whose sum is σ = 275223881687040. Its totient is φ = 41795769996288.

The previous prime is 111331323104237. The next prime is 111331323104269. The reversal of 111331323104240 is 42401323133111.

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, 17963009 + ... + 23352351.

It is an arithmetic number, because the mean of its divisors is an integer number (1720149260544).

Almost surely, 2^{111331323104240} is an apocalyptic number.

111331323104240 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 111331323104240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137611940843520).

111331323104240 is an abundant number, since it is smaller than the sum of its proper divisors (163892558582800).

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

111331323104240 is a wasteful number, since it uses less digits than its factorization.

111331323104240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5389591 (or 5389585 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 111331323104240 its reverse (42401323133111), we get a palindrome (153732646237351).

The spelling of 111331323104240 in words is "one hundred eleven trillion, three hundred thirty-one billion, three hundred twenty-three million, one hundred four thousand, two hundred forty".