2108965281053 has 16 divisors (see below), whose sum is σ = 2223724605120. Its totient is φ = 1994584847616.

The previous prime is 2108965281043. The next prime is 2108965281089. The reversal of 2108965281053 is 3501825698012.

It is a cyclic number.

It is not a de Polignac number, because 2108965281053 - 2²⁰ = 2108964232477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2108965280992 and 2108965281010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108965281043) 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, 28234151 + ... + 28308747.

It is an arithmetic number, because the mean of its divisors is an integer number (138982787820).

Almost surely, 2^{2108965281053} is an apocalyptic number.

It is an amenable number.

2108965281053 is a deficient number, since it is larger than the sum of its proper divisors (114759324067).

2108965281053 is a wasteful number, since it uses less digits than its factorization.

2108965281053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77116.

The product of its (nonzero) digits is 1036800, while the sum is 50.

The spelling of 2108965281053 in words is "two trillion, one hundred eight billion, nine hundred sixty-five million, two hundred eighty-one thousand, fifty-three".