206356026432355 has 8 divisors (see below), whose sum is σ = 251019385578432. Its totient is φ = 162823385239488.

The previous prime is 206356026432293. The next prime is 206356026432371. The reversal of 206356026432355 is 553234620653602.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206356026432355 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282679487899 + ... + 282679488628.

It is an arithmetic number, because the mean of its divisors is an integer number (31377423197304).

Almost surely, 2^{206356026432355} is an apocalyptic number.

206356026432355 is a deficient number, since it is larger than the sum of its proper divisors (44663359146077).

206356026432355 is an equidigital number, since it uses as much as digits as its factorization.

206356026432355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565358976605.

The product of its (nonzero) digits is 23328000, while the sum is 52.

The spelling of 206356026432355 in words is "two hundred six trillion, three hundred fifty-six billion, twenty-six million, four hundred thirty-two thousand, three hundred fifty-five".