11123335777889 has 4 divisors (see below), whose sum is σ = 11123407562160. Its totient is φ = 11123263993620.

The previous prime is 11123335777787. The next prime is 11123335777901. The reversal of 11123335777889 is 98877753332111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11123335777889 - 2⁴⁰ = 10023824150113 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 (11123335777189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35659199 + ... + 35969780.

It is an arithmetic number, because the mean of its divisors is an integer number (2780851890540).

Almost surely, 2^{11123335777889} is an apocalyptic number.

It is an amenable number.

11123335777889 is a deficient number, since it is larger than the sum of its proper divisors (71784271).

11123335777889 is an equidigital number, since it uses as much as digits as its factorization.

11123335777889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71784270.

The product of its digits is 53343360, while the sum is 65.

The spelling of 11123335777889 in words is "eleven trillion, one hundred twenty-three billion, three hundred thirty-five million, seven hundred seventy-seven thousand, eight hundred eighty-nine".