11000865 has 8 divisors (see below), whose sum is σ = 17601408. Its totient is φ = 5867120.

The previous prime is 11000861. The next prime is 11000879. The reversal of 11000865 is 56800011.

11000865 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11000865 - 2² = 11000861 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11000861) 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, 366681 + ... + 366710.

It is an arithmetic number, because the mean of its divisors is an integer number (2200176).

Almost surely, 2^11000865 is an apocalyptic number.

11000865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11000865 is a deficient number, since it is larger than the sum of its proper divisors (6600543).

11000865 is an equidigital number, since it uses as much as digits as its factorization.

11000865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733399.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 11000865 is about 3316.7551914484. The cubic root of 11000865 is about 222.4038384277.

Adding to 11000865 its reverse (56800011), we get a palindrome (67800876).

The spelling of 11000865 in words is "eleven million, eight hundred sixty-five", and thus it is an aban number.