11145889 has 8 divisors (see below), whose sum is σ = 11568960. Its totient is φ = 10725456.

The previous prime is 11145839. The next prime is 11145899. The reversal of 11145889 is 98854111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11145889 - 2⁹ = 11145377 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 (11145839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13132 + ... + 13954.

It is an arithmetic number, because the mean of its divisors is an integer number (1446120).

Almost surely, 2^11145889 is an apocalyptic number.

It is an amenable number.

11145889 is a deficient number, since it is larger than the sum of its proper divisors (423071).

11145889 is an equidigital number, since it uses as much as digits as its factorization.

11145889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319.

The product of its digits is 11520, while the sum is 37.

The square root of 11145889 is about 3338.5459409749. The cubic root of 11145889 is about 223.3768888591.

The spelling of 11145889 in words is "eleven million, one hundred forty-five thousand, eight hundred eighty-nine".