2108965281052 has 24 divisors (see below), whose sum is σ = 4228555094624. Its totient is φ = 901565577792.

The previous prime is 2108965281043. The next prime is 2108965281089. The reversal of 2108965281052 is 2501825698012.

It is a junction number, because it is equal to n+sod(n) for n = 2108965280987 and 2108965281005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94850583 + ... + 94872814.

Almost surely, 2^{2108965281052} is an apocalyptic number.

It is an amenable number.

2108965281052 is an abundant number, since it is smaller than the sum of its proper divisors (2119589813572).

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

2108965281052 is a wasteful number, since it uses less digits than its factorization.

2108965281052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189723805 (or 189723803 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 49.

The spelling of 2108965281052 in words is "two trillion, one hundred eight billion, nine hundred sixty-five million, two hundred eighty-one thousand, fifty-two".