111230254144 has 63 divisors (see below), whose sum is σ = 225773214823. Its totient is φ = 54370460288.

The previous prime is 111230254133. The next prime is 111230254151. The reversal of 111230254144 is 441452032111.

It is a happy number.

The square root of 111230254144 is 333512.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 125400069 + ... + 125400955.

Almost surely, 2^111230254144 is an apocalyptic number.

111230254144 is the 333512-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111230254144

111230254144 is an abundant number, since it is smaller than the sum of its proper divisors (114542960679).

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

111230254144 is an frugal number, since it uses more digits than its factorization.

111230254144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880 (or 936 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 111230254144 its reverse (441452032111), we get a palindrome (552682286255).

The spelling of 111230254144 in words is "one hundred eleven billion, two hundred thirty million, two hundred fifty-four thousand, one hundred forty-four".