11385805 has 16 divisors (see below), whose sum is σ = 14361984. Its totient is φ = 8648640.

The previous prime is 11385791. The next prime is 11385809. The reversal of 11385805 is 50858311.

It is a de Polignac number, because none of the positive numbers 2^k-11385805 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 (11385809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20542 + ... + 21088.

It is an arithmetic number, because the mean of its divisors is an integer number (897624).

Almost surely, 2^11385805 is an apocalyptic number.

It is an amenable number.

11385805 is a deficient number, since it is larger than the sum of its proper divisors (2976179).

11385805 is a wasteful number, since it uses less digits than its factorization.

11385805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756.

The product of its (nonzero) digits is 4800, while the sum is 31.

The square root of 11385805 is about 3374.2858503689. The cubic root of 11385805 is about 224.9682588969.

The spelling of 11385805 in words is "eleven million, three hundred eighty-five thousand, eight hundred five".