255905335015 has 32 divisors (see below), whose sum is σ = 338274662400. Its totient is φ = 184297027200.

The previous prime is 255905335009. The next prime is 255905335019. The reversal of 255905335015 is 510533509552.

It is not a de Polignac number, because 255905335015 - 2¹⁹ = 255904810727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255905335019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16829386 + ... + 16844584.

It is an arithmetic number, because the mean of its divisors is an integer number (10571083200).

Almost surely, 2^255905335015 is an apocalyptic number.

255905335015 is a deficient number, since it is larger than the sum of its proper divisors (82369327385).

255905335015 is a wasteful number, since it uses less digits than its factorization.

255905335015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18183.

The product of its (nonzero) digits is 506250, while the sum is 43.

The spelling of 255905335015 in words is "two hundred fifty-five billion, nine hundred five million, three hundred thirty-five thousand, fifteen".