2255188855 has 4 divisors (see below), whose sum is σ = 2706226632. Its totient is φ = 1804151080.

The previous prime is 2255188853. The next prime is 2255188909. The reversal of 2255188855 is 5588815522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2255188855 - 2¹ = 2255188853 is a prime.

It is a super-3 number, since 3×2255188855³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2255188799 and 2255188808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255188853) 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 3 ways as a sum of consecutive naturals, for example, 225518881 + ... + 225518890.

It is an arithmetic number, because the mean of its divisors is an integer number (676556658).

Almost surely, 2^2255188855 is an apocalyptic number.

2255188855 is a deficient number, since it is larger than the sum of its proper divisors (451037777).

2255188855 is an equidigital number, since it uses as much as digits as its factorization.

2255188855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451037776.

The product of its digits is 1280000, while the sum is 49.

The square root of 2255188855 is about 47488.8287389782. The cubic root of 2255188855 is about 1311.3772309502.

The spelling of 2255188855 in words is "two billion, two hundred fifty-five million, one hundred eighty-eight thousand, eight hundred fifty-five".