2855015905 has 32 divisors (see below), whose sum is σ = 4146969600. Its totient is φ = 1843238592.

The previous prime is 2855015881. The next prime is 2855015927. The reversal of 2855015905 is 5095105582.

It is a cyclic number.

It is not a de Polignac number, because 2855015905 - 2¹¹ = 2855013857 is a prime.

It is a super-2 number, since 2×2855015905² = 16302231635605938050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95226 + ... + 121564.

It is an arithmetic number, because the mean of its divisors is an integer number (129592800).

Almost surely, 2^2855015905 is an apocalyptic number.

It is an amenable number.

2855015905 is a deficient number, since it is larger than the sum of its proper divisors (1291953695).

2855015905 is a wasteful number, since it uses less digits than its factorization.

2855015905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26533.

The product of its (nonzero) digits is 90000, while the sum is 40.

The square root of 2855015905 is about 53432.3488628378. The cubic root of 2855015905 is about 1418.6312117484.

The spelling of 2855015905 in words is "two billion, eight hundred fifty-five million, fifteen thousand, nine hundred five".