855010155 has 16 divisors (see below), whose sum is σ = 1448488224. Its totient is φ = 429181440.

The previous prime is 855010133. The next prime is 855010157. The reversal of 855010155 is 551010558.

It is not a de Polignac number, because 855010155 - 2¹¹ = 855008107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (855010157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1676236 + ... + 1676745.

It is an arithmetic number, because the mean of its divisors is an integer number (90530514).

Almost surely, 2^855010155 is an apocalyptic number.

855010155 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

855010155 is a deficient number, since it is larger than the sum of its proper divisors (593478069).

855010155 is a wasteful number, since it uses less digits than its factorization.

855010155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353006.

The product of its (nonzero) digits is 5000, while the sum is 30.

The square root of 855010155 is about 29240.5566807474. The cubic root of 855010155 is about 949.1257534231.

The spelling of 855010155 in words is "eight hundred fifty-five million, ten thousand, one hundred fifty-five".