111030311144 has 8 divisors (see below), whose sum is σ = 208181833410. Its totient is φ = 55515155568.

The previous prime is 111030311017. The next prime is 111030311167. The reversal of 111030311144 is 441113030111.

It can be written as a sum of positive squares in only one way, i.e., 110116458244 + 913852900 = 331838^2 + 30230^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6939394439 + ... + 6939394454.

Almost surely, 2^111030311144 is an apocalyptic number.

It is an amenable number.

111030311144 is a deficient number, since it is larger than the sum of its proper divisors (97151522266).

111030311144 is a wasteful number, since it uses less digits than its factorization.

111030311144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13878788899 (or 13878788895 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 111030311144 its reverse (441113030111), we get a palindrome (552143341255).

The spelling of 111030311144 in words is "one hundred eleven billion, thirty million, three hundred eleven thousand, one hundred forty-four".