2115383384872 has 16 divisors (see below), whose sum is σ = 3966359574240. Its totient is φ = 1057687498416.

The previous prime is 2115383384861. The next prime is 2115383384909. The reversal of 2115383384872 is 2784833835112.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3064303 + ... + 3690625.

It is an arithmetic number, because the mean of its divisors is an integer number (247897473390).

Almost surely, 2^{2115383384872} is an apocalyptic number.

It is an amenable number.

2115383384872 is a deficient number, since it is larger than the sum of its proper divisors (1850976189368).

2115383384872 is a wasteful number, since it uses less digits than its factorization.

2115383384872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048512 (or 1048508 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 55.

The spelling of 2115383384872 in words is "two trillion, one hundred fifteen billion, three hundred eighty-three million, three hundred eighty-four thousand, eight hundred seventy-two".