2113288688865 has 32 divisors (see below), whose sum is σ = 3580572093696. Its totient is φ = 1060665845760.

The previous prime is 2113288688843. The next prime is 2113288688867. The reversal of 2113288688865 is 5688868823112.

It is not a de Polignac number, because 2113288688865 - 2⁶ = 2113288688801 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2113288688796 and 2113288688805.

It is not an unprimeable number, because it can be changed into a prime (2113288688867) 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 31 ways as a sum of consecutive naturals, for example, 1761084 + ... + 2707026.

It is an arithmetic number, because the mean of its divisors is an integer number (111892877928).

Almost surely, 2^{2113288688865} is an apocalyptic number.

It is an amenable number.

2113288688865 is a deficient number, since it is larger than the sum of its proper divisors (1467283404831).

2113288688865 is a wasteful number, since it uses less digits than its factorization.

2113288688865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954729.

The product of its digits is 70778880, while the sum is 66.

The spelling of 2113288688865 in words is "two trillion, one hundred thirteen billion, two hundred eighty-eight million, six hundred eighty-eight thousand, eight hundred sixty-five".