2855993911 has 16 divisors (see below), whose sum is σ = 3041280000. Its totient is φ = 2674329696.

The previous prime is 2855993893. The next prime is 2855993929. The reversal of 2855993911 is 1193995582.

It is an interprime number because it is at equal distance from previous prime (2855993893) and next prime (2855993929).

It is a cyclic number.

It is not a de Polignac number, because 2855993911 - 2¹¹ = 2855991863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855993951) 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, 990570 + ... + 993448.

It is an arithmetic number, because the mean of its divisors is an integer number (190080000).

Almost surely, 2^2855993911 is an apocalyptic number.

2855993911 is a deficient number, since it is larger than the sum of its proper divisors (185286089).

2855993911 is a wasteful number, since it uses less digits than its factorization.

2855993911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486.

The product of its digits is 874800, while the sum is 52.

The square root of 2855993911 is about 53441.4998947447. The cubic root of 2855993911 is about 1418.7931806584.

The spelling of 2855993911 in words is "two billion, eight hundred fifty-five million, nine hundred ninety-three thousand, nine hundred eleven".