11123345677789 has 16 divisors (see below), whose sum is σ = 11408861064832. Its totient is φ = 10839078125568.

The previous prime is 11123345677721. The next prime is 11123345677823. The reversal of 11123345677789 is 98777654332111.

It is a cyclic number.

It is not a de Polignac number, because 11123345677789 - 2²⁹ = 11122808806877 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 11123345677789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123345677889) 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, 33199984 + ... + 33533350.

It is an arithmetic number, because the mean of its divisors is an integer number (713053816552).

Almost surely, 2^{11123345677789} is an apocalyptic number.

It is an amenable number.

11123345677789 is a deficient number, since it is larger than the sum of its proper divisors (285515387043).

11123345677789 is a wasteful number, since it uses less digits than its factorization.

11123345677789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335236.

The product of its digits is 53343360, while the sum is 64.

The spelling of 11123345677789 in words is "eleven trillion, one hundred twenty-three billion, three hundred forty-five million, six hundred seventy-seven thousand, seven hundred eighty-nine".