2555111889 has 24 divisors (see below), whose sum is σ = 4030384800. Its totient is φ = 1546957440.

The previous prime is 2555111873. The next prime is 2555111891. The reversal of 2555111889 is 9881115552.

It is a happy number.

2555111889 is a `hidden beast` number, since 2 + 5 + 551 + 1 + 18 + 89 = 666.

2555111889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2555111889 - 2⁴ = 2555111873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2555111869) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87102 + ... + 112680.

It is an arithmetic number, because the mean of its divisors is an integer number (167932700).

Almost surely, 2^2555111889 is an apocalyptic number.

It is an amenable number.

2555111889 is a deficient number, since it is larger than the sum of its proper divisors (1475272911).

2555111889 is a wasteful number, since it uses less digits than its factorization.

2555111889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26605 (or 26602 counting only the distinct ones).

The product of its digits is 144000, while the sum is 45.

The square root of 2555111889 is about 50548.1145939193. The cubic root of 2555111889 is about 1367.1095200626.

The spelling of 2555111889 in words is "two billion, five hundred fifty-five million, one hundred eleven thousand, eight hundred eighty-nine".