11343560805 has 18 divisors (see below), whose sum is σ = 19663410546. Its totient is φ = 6049518048.

The previous prime is 11343560803. The next prime is 11343560821. The reversal of 11343560805 is 50806534311.

11343560805 is a `hidden beast` number, since 1 + 1 + 3 + 43 + 5 + 608 + 0 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 8929116036 + 2414444769 = 94494^2 + 49137^2 .

It is not a de Polignac number, because 11343560805 - 2¹ = 11343560803 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 11343560805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11343560803) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 706527 + ... + 722403.

It is an arithmetic number, because the mean of its divisors is an integer number (1092411697).

Almost surely, 2^11343560805 is an apocalyptic number.

11343560805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11343560805 is a deficient number, since it is larger than the sum of its proper divisors (8319849741).

11343560805 is an frugal number, since it uses more digits than its factorization.

11343560805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31765 (or 15885 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 11343560805 in words is "eleven billion, three hundred forty-three million, five hundred sixty thousand, eight hundred five".