111445144004 has 24 divisors (see below), whose sum is σ = 200342419200. Its totient is φ = 54212025920.

The previous prime is 111445144001. The next prime is 111445144009. The reversal of 111445144004 is 400441544111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (111445144001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887564 + ... + 1005315.

It is an arithmetic number, because the mean of its divisors is an integer number (8347600800).

Almost surely, 2^111445144004 is an apocalyptic number.

It is an amenable number.

111445144004 is a deficient number, since it is larger than the sum of its proper divisors (88897275196).

111445144004 is a wasteful number, since it uses less digits than its factorization.

111445144004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893283 (or 1893281 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

Adding to 111445144004 its reverse (400441544111), we get a palindrome (511886688115).

The spelling of 111445144004 in words is "one hundred eleven billion, four hundred forty-five million, one hundred forty-four thousand, four".