2105908899288 has 16 divisors (see below), whose sum is σ = 5264772248280. Its totient is φ = 701969633088.

The previous prime is 2105908899277. The next prime is 2105908899317. The reversal of 2105908899288 is 8829988095012.

It is a congruent 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, 43873102045 + ... + 43873102092.

Almost surely, 2^{2105908899288} is an apocalyptic number.

It is an amenable number.

2105908899288 is an abundant number, since it is smaller than the sum of its proper divisors (3158863348992).

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

2105908899288 is a wasteful number, since it uses less digits than its factorization.

2105908899288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87746204146 (or 87746204142 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 69.

The spelling of 2105908899288 in words is "two trillion, one hundred five billion, nine hundred eight million, eight hundred ninety-nine thousand, two hundred eighty-eight".