111320440144 has 20 divisors (see below), whose sum is σ = 215761782996. Its totient is φ = 55639980032.

The previous prime is 111320440129. The next prime is 111320440157. The reversal of 111320440144 is 441044023111.

It can be written as a sum of positive squares in 2 ways, for example, as 82304724544 + 29015715600 = 286888^2 + 170340^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1219579 + ... + 1307674.

Almost surely, 2^111320440144 is an apocalyptic number.

It is an amenable number.

111320440144 is a deficient number, since it is larger than the sum of its proper divisors (104441342852).

111320440144 is a wasteful number, since it uses less digits than its factorization.

111320440144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530014 (or 2530008 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 111320440144 its reverse (441044023111), we get a palindrome (552364463255).

The spelling of 111320440144 in words is "one hundred eleven billion, three hundred twenty million, four hundred forty thousand, one hundred forty-four".