111824661388688 has 20 divisors (see below), whose sum is σ = 216988057983708. Its totient is φ = 55827743199360.

The previous prime is 111824661388667. The next prime is 111824661388723. The reversal of 111824661388688 is 886883166428111.

It can be written as a sum of positive squares in 2 ways, for example, as 67268342185984 + 44556319202704 = 8201728^2 + 6675052^2 .

It is a super-3 number, since 3×111824661388688³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 5286707531 + ... + 5286728682.

Almost surely, 2^{111824661388688} is an apocalyptic number.

It is an amenable number.

111824661388688 is a deficient number, since it is larger than the sum of its proper divisors (105163396595020).

111824661388688 is a wasteful number, since it uses less digits than its factorization.

111824661388688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10573436882 (or 10573436876 counting only the distinct ones).

The product of its digits is 169869312, while the sum is 71.

The spelling of 111824661388688 in words is "one hundred eleven trillion, eight hundred twenty-four billion, six hundred sixty-one million, three hundred eighty-eight thousand, six hundred eighty-eight".