255505828526 has 24 divisors (see below), whose sum is σ = 418031142984. Its totient is φ = 116432961840.

The previous prime is 255505828493. The next prime is 255505828549. The reversal of 255505828526 is 625828505552.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 625040 + ... + 949571.

It is an arithmetic number, because the mean of its divisors is an integer number (17417964291).

Almost surely, 2^255505828526 is an apocalyptic number.

255505828526 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

255505828526 is a deficient number, since it is larger than the sum of its proper divisors (162525314458).

255505828526 is a wasteful number, since it uses less digits than its factorization.

255505828526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574784 (or 1574705 counting only the distinct ones).

The product of its (nonzero) digits is 9600000, while the sum is 53.

The spelling of 255505828526 in words is "two hundred fifty-five billion, five hundred five million, eight hundred twenty-eight thousand, five hundred twenty-six".