5261382855 has 24 divisors (see below), whose sum is σ = 9434206080. Its totient is φ = 2709309120.

The previous prime is 5261382821. The next prime is 5261382877. The reversal of 5261382855 is 5582831625.

5261382855 is a `hidden beast` number, since 5 + 2 + 613 + 8 + 28 + 5 + 5 = 666.

5261382855 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5261382855 - 2¹¹ = 5261380807 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 5261382855.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2014551 + ... + 2017160.

It is an arithmetic number, because the mean of its divisors is an integer number (393091920).

Almost surely, 2^5261382855 is an apocalyptic number.

5261382855 is a deficient number, since it is larger than the sum of its proper divisors (4172823225).

5261382855 is a wasteful number, since it uses less digits than its factorization.

5261382855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4031751 (or 4031748 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 5261382855 is about 72535.3903622225. The cubic root of 5261382855 is about 1739.2685143700.

The spelling of 5261382855 in words is "five billion, two hundred sixty-one million, three hundred eighty-two thousand, eight hundred fifty-five".