11001389 has 8 divisors (see below), whose sum is σ = 12629760. Its totient is φ = 9387216.

The previous prime is 11001377. The next prime is 11001391. The reversal of 11001389 is 98310011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11001389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11006389) 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, 1829 + ... + 5034.

It is an arithmetic number, because the mean of its divisors is an integer number (1578720).

Almost surely, 2^11001389 is an apocalyptic number.

It is an amenable number.

11001389 is a deficient number, since it is larger than the sum of its proper divisors (1628371).

11001389 is an equidigital number, since it uses as much as digits as its factorization.

11001389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7099.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 11001389 is about 3316.8341833743. The cubic root of 11001389 is about 222.4073695973.

The spelling of 11001389 in words is "eleven million, one thousand, three hundred eighty-nine".