2113288688868 has 24 divisors (see below), whose sum is σ = 5635436503872. Its totient is φ = 603796768224.

The previous prime is 2113288688867. The next prime is 2113288688977. The reversal of 2113288688868 is 8688868823112.

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 7 ways as a sum of consecutive naturals, for example, 12579099255 + ... + 12579099422.

It is an arithmetic number, because the mean of its divisors is an integer number (234809854328).

Almost surely, 2^{2113288688868} is an apocalyptic number.

2113288688868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2113288688868 is an abundant number, since it is smaller than the sum of its proper divisors (3522147815004).

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

2113288688868 is a wasteful number, since it uses less digits than its factorization.

2113288688868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25158198691 (or 25158198689 counting only the distinct ones).

The product of its digits is 113246208, while the sum is 69.

The spelling of 2113288688868 in words is "two trillion, one hundred thirteen billion, two hundred eighty-eight million, six hundred eighty-eight thousand, eight hundred sixty-eight".