36065975805 has 24 divisors (see below), whose sum is σ = 63539188440. Its totient is φ = 18919854720.

The previous prime is 36065975797. The next prime is 36065975833. The reversal of 36065975805 is 50857956063.

36065975805 is a `hidden beast` number, since 3 + 6 + 0 + 6 + 59 + 7 + 580 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1477787364 + 34588188441 = 38442^2 + 185979^2 .

It is not a de Polignac number, because 36065975805 - 2³ = 36065975797 is a prime.

It is a super-2 number, since 2×36065975805² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6566650 + ... + 6572139.

It is an arithmetic number, because the mean of its divisors is an integer number (2647466185).

Almost surely, 2^36065975805 is an apocalyptic number.

It is an amenable number.

36065975805 is a deficient number, since it is larger than the sum of its proper divisors (27473212635).

36065975805 is a wasteful number, since it uses less digits than its factorization.

36065975805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13138861 (or 13138858 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 54.

The spelling of 36065975805 in words is "thirty-six billion, sixty-five million, nine hundred seventy-five thousand, eight hundred five".