111355232445440 has 176 divisors, whose sum is σ = 267964804713600. Its totient is φ = 44401790484480.

The previous prime is 111355232445343. The next prime is 111355232445451. The reversal of 111355232445440 is 44544232553111.

It is a junction number, because it is equal to n+sod(n) for n = 111355232445391 and 111355232445400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2094652460 + ... + 2094705620.

Almost surely, 2^{111355232445440} is an apocalyptic number.

111355232445440 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 111355232445440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133982402356800).

111355232445440 is an abundant number, since it is smaller than the sum of its proper divisors (156609572268160).

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

111355232445440 is an equidigital number, since it uses as much as digits as its factorization.

111355232445440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54468 (or 54450 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 44.

Adding to 111355232445440 its reverse (44544232553111), we get a palindrome (155899464998551).

The spelling of 111355232445440 in words is "one hundred eleven trillion, three hundred fifty-five billion, two hundred thirty-two million, four hundred forty-five thousand, four hundred forty".