36138645911 has 8 divisors (see below), whose sum is σ = 36391529280. Its totient is φ = 35886268512.

The previous prime is 36138645821. The next prime is 36138645989. The reversal of 36138645911 is 11954683163.

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 36138645911 - 2¹⁸ = 36138383767 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 (36138645311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17426 + ... + 269408.

It is an arithmetic number, because the mean of its divisors is an integer number (4548941160).

Almost surely, 2^36138645911 is an apocalyptic number.

36138645911 is a deficient number, since it is larger than the sum of its proper divisors (252883369).

36138645911 is a wasteful number, since it uses less digits than its factorization.

36138645911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252985.

The product of its digits is 466560, while the sum is 47.

The spelling of 36138645911 in words is "thirty-six billion, one hundred thirty-eight million, six hundred forty-five thousand, nine hundred eleven".