10801865 has 4 divisors (see below), whose sum is σ = 12962244. Its totient is φ = 8641488.

The previous prime is 10801859. The next prime is 10801871. The reversal of 10801865 is 56810801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56810801 = 4259 ⋅13339.

It is an interprime number because it is at equal distance from previous prime (10801859) and next prime (10801871).

It can be written as a sum of positive squares in 2 ways, for example, as 6948496 + 3853369 = 2636^2 + 1963^2 .

It is a cyclic number.

It is not a de Polignac number, because 10801865 - 2⁶ = 10801801 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 1080182 + ... + 1080191.

It is an arithmetic number, because the mean of its divisors is an integer number (3240561).

Almost surely, 2^10801865 is an apocalyptic number.

It is an amenable number.

10801865 is a deficient number, since it is larger than the sum of its proper divisors (2160379).

10801865 is an equidigital number, since it uses as much as digits as its factorization.

10801865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160378.

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 10801865 is about 3286.6190834960. The cubic root of 10801865 is about 221.0546127393.

The spelling of 10801865 in words is "ten million, eight hundred one thousand, eight hundred sixty-five".