206056564120243 has 8 divisors (see below), whose sum is σ = 213445800406080. Its totient is φ = 198686250336000.

The previous prime is 206056564120177. The next prime is 206056564120271. The reversal of 206056564120243 is 342021465650602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 206056564120243 - 2²⁵ = 206056530565811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206056564120193 and 206056564120202.

It is not an unprimeable number, because it can be changed into a prime (206056564120843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4730603230 + ... + 4730646787.

It is an arithmetic number, because the mean of its divisors is an integer number (26680725050760).

Almost surely, 2^{206056564120243} is an apocalyptic number.

206056564120243 is a deficient number, since it is larger than the sum of its proper divisors (7389236285837).

206056564120243 is an equidigital number, since it uses as much as digits as its factorization.

206056564120243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9461250797.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 206056564120243 in words is "two hundred six trillion, fifty-six billion, five hundred sixty-four million, one hundred twenty thousand, two hundred forty-three".