111124555689 has 8 divisors (see below), whose sum is σ = 169332656320. Its totient is φ = 63499746096.

The previous prime is 111124555687. The next prime is 111124555691. The reversal of 111124555689 is 986555421111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111124555687) and next prime (111124555691).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111124555689 - 2¹ = 111124555687 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (111124555687) 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, 2645822734 + ... + 2645822775.

It is an arithmetic number, because the mean of its divisors is an integer number (21166582040).

Almost surely, 2^111124555689 is an apocalyptic number.

It is an amenable number.

111124555689 is a deficient number, since it is larger than the sum of its proper divisors (58208100631).

111124555689 is an equidigital number, since it uses as much as digits as its factorization.

111124555689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5291645519.

The product of its digits is 432000, while the sum is 48.

The spelling of 111124555689 in words is "one hundred eleven billion, one hundred twenty-four million, five hundred fifty-five thousand, six hundred eighty-nine".