11523852805 has 8 divisors (see below), whose sum is σ = 14089541112. Its totient is φ = 9045137088.

The previous prime is 11523852793. The next prime is 11523852829. The reversal of 11523852805 is 50825832511.

It can be written as a sum of positive squares in 4 ways, for example, as 4335695716 + 7188157089 = 65846^2 + 84783^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11523852805 - 2⁷ = 11523852677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21742854 + ... + 21743383.

It is an arithmetic number, because the mean of its divisors is an integer number (1761192639).

Almost surely, 2^11523852805 is an apocalyptic number.

It is an amenable number.

11523852805 is a deficient number, since it is larger than the sum of its proper divisors (2565688307).

11523852805 is an equidigital number, since it uses as much as digits as its factorization.

11523852805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43486295.

The product of its (nonzero) digits is 96000, while the sum is 40.

The spelling of 11523852805 in words is "eleven billion, five hundred twenty-three million, eight hundred fifty-two thousand, eight hundred five".