111055440144 has 80 divisors (see below), whose sum is σ = 323766688320. Its totient is φ = 32492705280.

The previous prime is 111055440137. The next prime is 111055440151. The reversal of 111055440144 is 441044550111.

It is an interprime number because it is at equal distance from previous prime (111055440137) and next prime (111055440151).

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, 3611107 + ... + 3641730.

It is an arithmetic number, because the mean of its divisors is an integer number (4047083604).

Almost surely, 2^111055440144 is an apocalyptic number.

It is an amenable number.

111055440144 is an abundant number, since it is smaller than the sum of its proper divisors (212711248176).

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

111055440144 is a wasteful number, since it uses less digits than its factorization.

111055440144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7252888 (or 7252882 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

Adding to 111055440144 its reverse (441044550111), we get a palindrome (552099990255).

The spelling of 111055440144 in words is "one hundred eleven billion, fifty-five million, four hundred forty thousand, one hundred forty-four".