111032404400 has 120 divisors (see below), whose sum is σ = 276142504320. Its totient is φ = 42852167680.

The previous prime is 111032404349. The next prime is 111032404423. The reversal of 111032404400 is 4404230111.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25599032 + ... + 25603368.

It is an arithmetic number, because the mean of its divisors is an integer number (2301187536).

Almost surely, 2^111032404400 is an apocalyptic number.

111032404400 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 111032404400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138071252160).

111032404400 is an abundant number, since it is smaller than the sum of its proper divisors (165110099920).

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

111032404400 is a wasteful number, since it uses less digits than its factorization.

111032404400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6591 (or 6580 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 111032404400 its reverse (4404230111), we get a palindrome (115436634511).

The spelling of 111032404400 in words is "one hundred eleven billion, thirty-two million, four hundred four thousand, four hundred".