2115203935208 has 128 divisors (see below), whose sum is σ = 4933354782720. Its totient is φ = 827865619200.

The previous prime is 2115203935189. The next prime is 2115203935237. The reversal of 2115203935208 is 8025393025112.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81494633 + ... + 81520583.

It is an arithmetic number, because the mean of its divisors is an integer number (38541834240).

Almost surely, 2^{2115203935208} is an apocalyptic number.

2115203935208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2115203935208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2466677391360).

2115203935208 is an abundant number, since it is smaller than the sum of its proper divisors (2818150847512).

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

2115203935208 is a wasteful number, since it uses less digits than its factorization.

2115203935208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27167 (or 27163 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 2115203935208 in words is "two trillion, one hundred fifteen billion, two hundred three million, nine hundred thirty-five thousand, two hundred eight".