36005821504 has 21 divisors (see below), whose sum is σ = 71452064487. Its totient is φ = 18002151744.

The previous prime is 36005821487. The next prime is 36005821513. The reversal of 36005821504 is 40512850063.

The square root of 36005821504 is 189752.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36005821504.

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 2 ways as a sum of consecutive naturals, for example, 1506157 + ... + 1529875.

Almost surely, 2^36005821504 is an apocalyptic number.

36005821504 is the 189752-nd square number.

It is an amenable number.

36005821504 is a deficient number, since it is larger than the sum of its proper divisors (35446242983).

36005821504 is an frugal number, since it uses more digits than its factorization.

36005821504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47450 (or 23721 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 36005821504 in words is "thirty-six billion, five million, eight hundred twenty-one thousand, five hundred four".