2811636806328 has 96 divisors (see below), whose sum is σ = 9081063014400. Its totient is φ = 768397633344.

The previous prime is 2811636806327. The next prime is 2811636806353. The reversal of 2811636806328 is 8236086361182.

2811636806328 is a `hidden beast` number, since 2 + 81 + 163 + 6 + 80 + 6 + 328 = 666.

2811636806328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2811636806327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121263288 + ... + 121286471.

It is an arithmetic number, because the mean of its divisors is an integer number (94594406400).

Almost surely, 2^{2811636806328} is an apocalyptic number.

2811636806328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2811636806328 is an abundant number, since it is smaller than the sum of its proper divisors (6269426208072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2811636806328 is a wasteful number, since it uses less digits than its factorization.

2811636806328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242549801 (or 242549794 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 2811636806328 in words is "two trillion, eight hundred eleven billion, six hundred thirty-six million, eight hundred six thousand, three hundred twenty-eight".