255550385126 has 16 divisors (see below), whose sum is σ = 385484141040. Its totient is φ = 127056746880.

The previous prime is 255550385117. The next prime is 255550385147. The reversal of 255550385126 is 621583055552.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208250 + ... + 744626.

It is an arithmetic number, because the mean of its divisors is an integer number (24092758815).

Almost surely, 2^255550385126 is an apocalyptic number.

255550385126 is a deficient number, since it is larger than the sum of its proper divisors (129933755914).

255550385126 is a wasteful number, since it uses less digits than its factorization.

255550385126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537719.

The product of its (nonzero) digits is 1800000, while the sum is 47.

The spelling of 255550385126 in words is "two hundred fifty-five billion, five hundred fifty million, three hundred eighty-five thousand, one hundred twenty-six".