8255118556 has 24 divisors (see below), whose sum is σ = 15286440960. Its totient is φ = 3889839600.

The previous prime is 8255118551. The next prime is 8255118563. The reversal of 8255118556 is 6558115528.

8255118556 = 6479² + 6480² + ... + 6669².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8255118551) 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 7 ways as a sum of consecutive naturals, for example, 269830 + ... + 298861.

It is an arithmetic number, because the mean of its divisors is an integer number (636935040).

Almost surely, 2^8255118556 is an apocalyptic number.

It is an amenable number.

8255118556 is a deficient number, since it is larger than the sum of its proper divisors (7031322404).

8255118556 is a wasteful number, since it uses less digits than its factorization.

8255118556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568905 (or 568903 counting only the distinct ones).

The product of its digits is 480000, while the sum is 46.

The square root of 8255118556 is about 90857.6829772805. The cubic root of 8255118556 is about 2021.0378090362.

The spelling of 8255118556 in words is "eight billion, two hundred fifty-five million, one hundred eighteen thousand, five hundred fifty-six".