36638321107205 has 8 divisors (see below), whose sum is σ = 43966347760152. Its totient is φ = 29310415264768.

The previous prime is 36638321107189. The next prime is 36638321107231. The reversal of 36638321107205 is 50270112383663.

It can be written as a sum of positive squares in 4 ways, for example, as 1040404080004 + 35597917027201 = 1020002^2 + 5966399^2 .

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 36638321107205 - 2⁴ = 36638321107189 is a prime.

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 36638321107205.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 29534084 + ... + 30749613.

It is an arithmetic number, because the mean of its divisors is an integer number (5495793470019).

Almost surely, 2^{36638321107205} is an apocalyptic number.

It is an amenable number.

36638321107205 is a deficient number, since it is larger than the sum of its proper divisors (7328026652947).

36638321107205 is a wasteful number, since it uses less digits than its factorization.

36638321107205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60405255.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 36638321107205 in words is "thirty-six trillion, six hundred thirty-eight billion, three hundred twenty-one million, one hundred seven thousand, two hundred five".