206232042355 has 16 divisors (see below), whose sum is σ = 254025123840. Its totient is φ = 160673455072.

The previous prime is 206232042349. The next prime is 206232042389. The reversal of 206232042355 is 553240232602.

It is a cyclic number.

It is not a de Polignac number, because 206232042355 - 2³ = 206232042347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 206232042355.

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 15 ways as a sum of consecutive naturals, for example, 3235219 + ... + 3298348.

It is an arithmetic number, because the mean of its divisors is an integer number (15876570240).

Almost surely, 2^206232042355 is an apocalyptic number.

206232042355 is a deficient number, since it is larger than the sum of its proper divisors (47793081485).

206232042355 is a wasteful number, since it uses less digits than its factorization.

206232042355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6533738.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 206232042355 its reverse (553240232602), we get a palindrome (759472274957).

The spelling of 206232042355 in words is "two hundred six billion, two hundred thirty-two million, forty-two thousand, three hundred fifty-five".