111443204400 has 120 divisors (see below), whose sum is σ = 389443389504. Its totient is φ = 27016531200.

The previous prime is 111443204377. The next prime is 111443204407. The reversal of 111443204400 is 4402344111.

111443204400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is not an unprimeable number, because it can be changed into a prime (111443204407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4208134 + ... + 4234533.

Almost surely, 2^111443204400 is an apocalyptic number.

111443204400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111443204400 is an abundant number, since it is smaller than the sum of its proper divisors (278000185104).

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

111443204400 is a wasteful number, since it uses less digits than its factorization.

111443204400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8442699 (or 8442688 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 111443204400 its reverse (4402344111), we get a palindrome (115845548511).

The spelling of 111443204400 in words is "one hundred eleven billion, four hundred forty-three million, two hundred four thousand, four hundred".