255544634117 has 16 divisors (see below), whose sum is σ = 275050364400. Its totient is φ = 236537072640.

The previous prime is 255544634089. The next prime is 255544634119. The reversal of 255544634117 is 711436445552.

It can be written as a sum of positive squares in 8 ways, for example, as 5223531076 + 250321103041 = 72274^2 + 500321^2 .

It is a cyclic number.

It is not a de Polignac number, because 255544634117 - 2¹⁶ = 255544568581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255544634119) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10803059 + ... + 10826687.

It is an arithmetic number, because the mean of its divisors is an integer number (17190647775).

Almost surely, 2^255544634117 is an apocalyptic number.

It is an amenable number.

255544634117 is a deficient number, since it is larger than the sum of its proper divisors (19505730283).

255544634117 is a wasteful number, since it uses less digits than its factorization.

255544634117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34136.

The product of its digits is 2016000, while the sum is 47.

The spelling of 255544634117 in words is "two hundred fifty-five billion, five hundred forty-four million, six hundred thirty-four thousand, one hundred seventeen".