2855156085 has 48 divisors (see below), whose sum is σ = 4996555200. Its totient is φ = 1508170752.

The previous prime is 2855156041. The next prime is 2855156089. The reversal of 2855156085 is 5806515582.

2855156085 is a `hidden beast` number, since 2 + 8 + 5 + 5 + 1 + 560 + 85 = 666.

It is not a de Polignac number, because 2855156085 - 2⁶ = 2855156021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2855156085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855156089) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 3072901 + ... + 3073829.

It is an arithmetic number, because the mean of its divisors is an integer number (104094900).

Almost surely, 2^2855156085 is an apocalyptic number.

It is an amenable number.

2855156085 is a deficient number, since it is larger than the sum of its proper divisors (2141399115).

2855156085 is a wasteful number, since it uses less digits than its factorization.

2855156085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522 (or 1519 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 45.

The square root of 2855156085 is about 53433.6605989146. The cubic root of 2855156085 is about 1418.6544294204.

It can be divided in two parts, 285515 and 6085, that added together give a square (291600 = 540²).

The spelling of 2855156085 in words is "two billion, eight hundred fifty-five million, one hundred fifty-six thousand, eighty-five".