36610812805 has 24 divisors (see below), whose sum is σ = 51328953720. Its totient is φ = 24994892160.

The previous prime is 36610812731. The next prime is 36610812811. The reversal of 36610812805 is 50821801663.

It can be written as a sum of positive squares in 4 ways, for example, as 3857776321 + 32753036484 = 62111^2 + 180978^2 .

It is not a de Polignac number, because 36610812805 - 2²³ = 36602424197 is a prime.

It is a super-2 number, since 2×36610812805² (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, 270166 + ... + 382375.

It is an arithmetic number, because the mean of its divisors is an integer number (2138706405).

Almost surely, 2^36610812805 is an apocalyptic number.

36610812805 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

36610812805 is a deficient number, since it is larger than the sum of its proper divisors (14718140915).

36610812805 is a wasteful number, since it uses less digits than its factorization.

36610812805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652789 (or 652782 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 36610812805 in words is "thirty-six billion, six hundred ten million, eight hundred twelve thousand, eight hundred five".