11113335666889 has 9 divisors (see below), whose sum is σ = 11140507850823. Its totient is φ = 11086229620512.

The previous prime is 11113335666863. The next prime is 11113335666893. The reversal of 11113335666889 is 98866653331111.

The square root of 11113335666889 is 3333667.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1246248486025 + 9867087180864 = 1116355^2 + 3141192^2 .

It is not a de Polignac number, because 11113335666889 - 2⁷ = 11113335666761 is a prime.

It is a super-4 number, since 4×11113335666889⁴ (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

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 (11113335669889) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1443473962 + ... + 1443481660.

It is an arithmetic number, because the mean of its divisors is an integer number (1237834205647).

Almost surely, 2^{11113335666889} is an apocalyptic number.

11113335666889 is the 3333667-th square number.

11113335666889 is the 1666834-th centered octagonal number.

It is an amenable number.

11113335666889 is a deficient number, since it is larger than the sum of its proper divisors (27172183934).

11113335666889 is an frugal number, since it uses more digits than its factorization.

11113335666889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16264 (or 8132 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 61.

The spelling of 11113335666889 in words is "eleven trillion, one hundred thirteen billion, three hundred thirty-five million, six hundred sixty-six thousand, eight hundred eighty-nine".