10865089 has 4 divisors (see below), whose sum is σ = 10891440. Its totient is φ = 10838740.

The previous prime is 10865083. The next prime is 10865143. The reversal of 10865089 is 98056801.

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: 98056801 = 29 ⋅3381269.

It is a cyclic number.

It is not a de Polignac number, because 10865089 - 2³ = 10865081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10865081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12547 + ... + 13384.

It is an arithmetic number, because the mean of its divisors is an integer number (2722860).

Almost surely, 2^10865089 is an apocalyptic number.

It is an amenable number.

10865089 is a deficient number, since it is larger than the sum of its proper divisors (26351).

10865089 is an equidigital number, since it uses as much as digits as its factorization.

10865089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26350.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 10865089 is about 3296.2234450959. The cubic root of 10865089 is about 221.4850562405.

The spelling of 10865089 in words is "ten million, eight hundred sixty-five thousand, eighty-nine".