36805663061 has 4 divisors (see below), whose sum is σ = 36884476512. Its totient is φ = 36726849612.

The previous prime is 36805663031. The next prime is 36805663073. The reversal of 36805663061 is 16036650863.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36805663061 - 2¹⁰ = 36805662037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36805663031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39406025 + ... + 39406958.

It is an arithmetic number, because the mean of its divisors is an integer number (9221119128).

Almost surely, 2^36805663061 is an apocalyptic number.

It is an amenable number.

36805663061 is a deficient number, since it is larger than the sum of its proper divisors (78813451).

36805663061 is an equidigital number, since it uses as much as digits as its factorization.

36805663061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78813450.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 36805663061 in words is "thirty-six billion, eight hundred five million, six hundred sixty-three thousand, sixty-one".