111110865608 has 12 divisors (see below), whose sum is σ = 208334640795. Its totient is φ = 55554961400.

The previous prime is 111110865589. The next prime is 111110865659. The reversal of 111110865608 is 806568011111.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 55555432804 + 55555432804 = 235702^2 + 235702^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=235702.

It is a Duffinian number.

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 in 2 ways as a sum of consecutive naturals, for example, 883883 + ... + 1001733.

Almost surely, 2^111110865608 is an apocalyptic number.

It is an amenable number.

111110865608 is a deficient number, since it is larger than the sum of its proper divisors (97223775187).

111110865608 is an frugal number, since it uses more digits than its factorization.

111110865608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235708 (or 117853 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 38.

Adding to 111110865608 its reverse (806568011111), we get a palindrome (917678876719).

The spelling of 111110865608 in words is "one hundred eleven billion, one hundred ten million, eight hundred sixty-five thousand, six hundred eight".