11122346789 has 4 divisors (see below), whose sum is σ = 11126395500. Its totient is φ = 11118298080.

The previous prime is 11122346777. The next prime is 11122346797. The reversal of 11122346789 is 98764322111.

11122346789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1038772900 + 10083573889 = 32230^2 + 100417^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122346789 - 2²⁸ = 10853911333 is a prime.

It is a super-2 number, since 2×11122346789² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122342789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2020232 + ... + 2025729.

It is an arithmetic number, because the mean of its divisors is an integer number (2781598875).

Almost surely, 2^11122346789 is an apocalyptic number.

It is an amenable number.

11122346789 is a deficient number, since it is larger than the sum of its proper divisors (4048711).

11122346789 is an equidigital number, since it uses as much as digits as its factorization.

11122346789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4048710.

The product of its digits is 145152, while the sum is 44.

It can be divided in two parts, 11122 and 346789, that added together give a cube (357911 = 71³).

The spelling of 11122346789 in words is "eleven billion, one hundred twenty-two million, three hundred forty-six thousand, seven hundred eighty-nine".