2152105706543 has 16 divisors (see below), whose sum is σ = 2439695032320. Its totient is φ = 1881956288736.

The previous prime is 2152105706519. The next prime is 2152105706629. The reversal of 2152105706543 is 3456075012512.

It is a cyclic number.

It is not a de Polignac number, because 2152105706543 - 2⁶ = 2152105706479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2152105706543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152105706143) 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 15 ways as a sum of consecutive naturals, for example, 12940946 + ... + 13106192.

It is an arithmetic number, because the mean of its divisors is an integer number (152480939520).

Almost surely, 2^{2152105706543} is an apocalyptic number.

2152105706543 is a deficient number, since it is larger than the sum of its proper divisors (287589325777).

2152105706543 is a wasteful number, since it uses less digits than its factorization.

2152105706543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218006.

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 2152105706543 in words is "two trillion, one hundred fifty-two billion, one hundred five million, seven hundred six thousand, five hundred forty-three".