111443235144 has 32 divisors (see below), whose sum is σ = 278622400320. Its totient is φ = 37145836736.

The previous prime is 111443235131. The next prime is 111443235181. The reversal of 111443235144 is 441532344111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404614 + ... + 621770.

It is an arithmetic number, because the mean of its divisors is an integer number (8706950010).

Almost surely, 2^111443235144 is an apocalyptic number.

It is an amenable number.

111443235144 is an abundant number, since it is smaller than the sum of its proper divisors (167179165176).

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

111443235144 is a wasteful number, since it uses less digits than its factorization.

111443235144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238549 (or 238545 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

Adding to 111443235144 its reverse (441532344111), we get a palindrome (552975579255).

The spelling of 111443235144 in words is "one hundred eleven billion, four hundred forty-three million, two hundred thirty-five thousand, one hundred forty-four".