10801805 has 12 divisors (see below), whose sum is σ = 15078780. Its totient is φ = 7406784.

The previous prime is 10801801. The next prime is 10801831. The reversal of 10801805 is 50810801.

It can be written as a sum of positive squares in 2 ways, for example, as 4380649 + 6421156 = 2093^2 + 2534^2 .

It is not a de Polignac number, because 10801805 - 2² = 10801801 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10801801) 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 11 ways as a sum of consecutive naturals, for example, 21800 + ... + 22289.

It is an arithmetic number, because the mean of its divisors is an integer number (1256565).

Almost surely, 2^10801805 is an apocalyptic number.

It is an amenable number.

10801805 is a deficient number, since it is larger than the sum of its proper divisors (4276975).

10801805 is an equidigital number, since it uses as much as digits as its factorization.

10801805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44108 (or 44101 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 10801805 is about 3286.6099555621. The cubic root of 10801805 is about 221.0542034489.

The spelling of 10801805 in words is "ten million, eight hundred one thousand, eight hundred five".