11112444689 has 8 divisors (see below), whose sum is σ = 11814944328. Its totient is φ = 10415370240.

The previous prime is 11112444683. The next prime is 11112444713. The reversal of 11112444689 is 98644421111.

It can be written as a sum of positive squares in 4 ways, for example, as 2832900625 + 8279544064 = 53225^2 + 90992^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11112444689 - 2⁸ = 11112444433 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 (11112444683) 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, 1352072 + ... + 1360265.

It is an arithmetic number, because the mean of its divisors is an integer number (1476868041).

Almost surely, 2^11112444689 is an apocalyptic number.

It is an amenable number.

11112444689 is a deficient number, since it is larger than the sum of its proper divisors (702499639).

11112444689 is a wasteful number, since it uses less digits than its factorization.

11112444689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712595.

The product of its digits is 55296, while the sum is 41.

The spelling of 11112444689 in words is "eleven billion, one hundred twelve million, four hundred forty-four thousand, six hundred eighty-nine".