11146789 has 4 divisors (see below), whose sum is σ = 11631456. Its totient is φ = 10662124.

The previous prime is 11146771. The next prime is 11146799. The reversal of 11146789 is 98764111.

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 11146789 - 2⁹ = 11146277 is a prime.

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 (11146739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242299 + ... + 242344.

It is an arithmetic number, because the mean of its divisors is an integer number (2907864).

Almost surely, 2^11146789 is an apocalyptic number.

It is an amenable number.

11146789 is a deficient number, since it is larger than the sum of its proper divisors (484667).

11146789 is an equidigital number, since it uses as much as digits as its factorization.

11146789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484666.

The product of its digits is 12096, while the sum is 37.

The square root of 11146789 is about 3338.6807274731. The cubic root of 11146789 is about 223.3829010545.

It can be divided in two parts, 111467 and 89, that added together give a square (111556 = 334²).

The spelling of 11146789 in words is "eleven million, one hundred forty-six thousand, seven hundred eighty-nine".