11006789 has 4 divisors (see below), whose sum is σ = 11241024. Its totient is φ = 10772556.

The previous prime is 11006777. The next prime is 11006851. The reversal of 11006789 is 98760011.

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, and also an emirpimes, since its reverse is a distinct semiprime: 98760011 = 7 ⋅14108573.

It is a cyclic number.

It is not a de Polignac number, because 11006789 - 2⁴ = 11006773 is a prime.

It is a super-2 number, since 2×11006789² = 242298808181042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11006729) 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, 117047 + ... + 117140.

It is an arithmetic number, because the mean of its divisors is an integer number (2810256).

Almost surely, 2^11006789 is an apocalyptic number.

It is an amenable number.

11006789 is a deficient number, since it is larger than the sum of its proper divisors (234235).

11006789 is an equidigital number, since it uses as much as digits as its factorization.

11006789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234234.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 11006789 is about 3317.6481127449. The cubic root of 11006789 is about 222.4437529833.

The spelling of 11006789 in words is "eleven million, six thousand, seven hundred eighty-nine".