8206155442655 has 8 divisors (see below), whose sum is σ = 9850004843184. Its totient is φ = 6563178812800.

The previous prime is 8206155442649. The next prime is 8206155442687. The reversal of 8206155442655 is 5562445516028.

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

It is not a de Polignac number, because 8206155442655 - 2¹⁸ = 8206155180511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8206155442597 and 8206155442606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218171981 + ... + 218209590.

It is an arithmetic number, because the mean of its divisors is an integer number (1231250605398).

Almost surely, 2^{8206155442655} is an apocalyptic number.

8206155442655 is a deficient number, since it is larger than the sum of its proper divisors (1643849400529).

8206155442655 is a wasteful number, since it uses less digits than its factorization.

8206155442655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436385337.

The product of its (nonzero) digits is 11520000, while the sum is 53.

The spelling of 8206155442655 in words is "eight trillion, two hundred six billion, one hundred fifty-five million, four hundred forty-two thousand, six hundred fifty-five".