36838116815 has 4 divisors (see below), whose sum is σ = 44205740184. Its totient is φ = 29470493448.

The previous prime is 36838116811. The next prime is 36838116853. The reversal of 36838116815 is 51861183863.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51861183863 = 23 ⋅2254834081.

It is a cyclic number.

It is not a de Polignac number, because 36838116815 - 2² = 36838116811 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 (36838116811) 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 3 ways as a sum of consecutive naturals, for example, 3683811677 + ... + 3683811686.

It is an arithmetic number, because the mean of its divisors is an integer number (11051435046).

Almost surely, 2^36838116815 is an apocalyptic number.

36838116815 is a deficient number, since it is larger than the sum of its proper divisors (7367623369).

36838116815 is an equidigital number, since it uses as much as digits as its factorization.

36838116815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7367623368.

The product of its digits is 829440, while the sum is 50.

The spelling of 36838116815 in words is "thirty-six billion, eight hundred thirty-eight million, one hundred sixteen thousand, eight hundred fifteen".