11113668888889 has 16 divisors (see below), whose sum is σ = 12960886723200. Its totient is φ = 9525752068560.

The previous prime is 11113668888821. The next prime is 11113668888943. The reversal of 11113668888889 is 98888886631111.

It is not a de Polignac number, because 11113668888889 - 2¹³ = 11113668880697 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 (11113668888389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13319574 + ... + 14129344.

It is an arithmetic number, because the mean of its divisors is an integer number (810055420200).

Almost surely, 2^{11113668888889} is an apocalyptic number.

It is an amenable number.

11113668888889 is a deficient number, since it is larger than the sum of its proper divisors (1847217834311).

11113668888889 is an frugal number, since it uses more digits than its factorization.

11113668888889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849805 (or 849791 counting only the distinct ones).

The product of its digits is 254803968, while the sum is 76.

The spelling of 11113668888889 in words is "eleven trillion, one hundred thirteen billion, six hundred sixty-eight million, eight hundred eighty-eight thousand, eight hundred eighty-nine".