36804128815 has 16 divisors (see below), whose sum is σ = 44997011136. Its totient is φ = 28893760000.

The previous prime is 36804128797. The next prime is 36804128819. The reversal of 36804128815 is 51882140863.

It is not a de Polignac number, because 36804128815 - 2⁹ = 36804128303 is a prime.

It is a super-2 number, since 2×36804128815² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36804128819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265411 + ... + 379540.

It is an arithmetic number, because the mean of its divisors is an integer number (2812313196).

Almost surely, 2^36804128815 is an apocalyptic number.

36804128815 is a deficient number, since it is larger than the sum of its proper divisors (8192882321).

36804128815 is a wasteful number, since it uses less digits than its factorization.

36804128815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645170.

The product of its (nonzero) digits is 368640, while the sum is 46.

The spelling of 36804128815 in words is "thirty-six billion, eight hundred four million, one hundred twenty-eight thousand, eight hundred fifteen".