2106512065683 has 6 divisors (see below), whose sum is σ = 3042739650444. Its totient is φ = 1404341377116.

The previous prime is 2106512065673. The next prime is 2106512065687. The reversal of 2106512065683 is 3865602156012.

2106512065683 is a `hidden beast` number, since 2 + 1 + 0 + 6 + 512 + 0 + 6 + 56 + 83 = 666.

It is not a de Polignac number, because 2106512065683 - 2²¹ = 2106509968531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2106512065687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117028448085 + ... + 117028448102.

It is an arithmetic number, because the mean of its divisors is an integer number (507123275074).

Almost surely, 2^{2106512065683} is an apocalyptic number.

2106512065683 is a deficient number, since it is larger than the sum of its proper divisors (936227584761).

2106512065683 is a wasteful number, since it uses less digits than its factorization.

2106512065683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234056896193 (or 234056896190 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 2106512065683 in words is "two trillion, one hundred six billion, five hundred twelve million, sixty-five thousand, six hundred eighty-three".