855338560215 has 16 divisors (see below), whose sum is σ = 1372914041568. Its totient is φ = 454723117056.

The previous prime is 855338560213. The next prime is 855338560217. The reversal of 855338560215 is 512065833558.

It is an interprime number because it is at equal distance from previous prime (855338560213) and next prime (855338560217).

It is not a de Polignac number, because 855338560215 - 2¹ = 855338560213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855338560213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91085674 + ... + 91095063.

It is an arithmetic number, because the mean of its divisors is an integer number (85807127598).

Almost surely, 2^855338560215 is an apocalyptic number.

855338560215 is a deficient number, since it is larger than the sum of its proper divisors (517575481353).

855338560215 is a wasteful number, since it uses less digits than its factorization.

855338560215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182181058.

The product of its (nonzero) digits is 4320000, while the sum is 51.

The spelling of 855338560215 in words is "eight hundred fifty-five billion, three hundred thirty-eight million, five hundred sixty thousand, two hundred fifteen".