111031240111440 has 480 divisors, whose sum is σ = 400756540439808. Its totient is φ = 25322602905600.

The previous prime is 111031240111391. The next prime is 111031240111483. The reversal of 111031240111440 is 44111042130111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 111031240111440.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1196140230 + ... + 1196233050.

Almost surely, 2^{111031240111440} is an apocalyptic number.

111031240111440 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 111031240111440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200378270219904).

111031240111440 is an abundant number, since it is smaller than the sum of its proper divisors (289725300328368).

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

111031240111440 is a wasteful number, since it uses less digits than its factorization.

111031240111440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95299 (or 95282 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 111031240111440 its reverse (44111042130111), we get a palindrome (155142282241551).

The spelling of 111031240111440 in words is "one hundred eleven trillion, thirty-one billion, two hundred forty million, one hundred eleven thousand, four hundred forty".