2115834818688 has 128 divisors (see below), whose sum is σ = 6303013704000. Its totient is φ = 698686765056.

The previous prime is 2115834818687. The next prime is 2115834818693. The reversal of 2115834818688 is 8868184385112.

2115834818688 is a `hidden beast` number, since 2 + 1 + 1 + 583 + 48 + 1 + 8 + 6 + 8 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (2115834818687) 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, 2491053 + ... + 3230636.

Almost surely, 2^{2115834818688} is an apocalyptic number.

It is an amenable number.

2115834818688 is an abundant number, since it is smaller than the sum of its proper divisors (4187178885312).

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

2115834818688 is a wasteful number, since it uses less digits than its factorization.

2115834818688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5721819 (or 5721801 counting only the distinct ones).

The product of its digits is 23592960, while the sum is 63.

The spelling of 2115834818688 in words is "two trillion, one hundred fifteen billion, eight hundred thirty-four million, eight hundred eighteen thousand, six hundred eighty-eight".