255455716118566 has 8 divisors (see below), whose sum is σ = 383196924212544. Its totient is φ = 127723408047720.

The previous prime is 255455716118527. The next prime is 255455716118567. The reversal of 255455716118566 is 665811617554552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255455716118567) 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 3 ways as a sum of consecutive naturals, for example, 2224934025 + ... + 2225048836.

It is an arithmetic number, because the mean of its divisors is an integer number (47899615526568).

Almost surely, 2^{255455716118566} is an apocalyptic number.

255455716118566 is a deficient number, since it is larger than the sum of its proper divisors (127741208093978).

255455716118566 is a wasteful number, since it uses less digits than its factorization.

255455716118566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4450011566.

The product of its digits is 302400000, while the sum is 67.

The spelling of 255455716118566 in words is "two hundred fifty-five trillion, four hundred fifty-five billion, seven hundred sixteen million, one hundred eighteen thousand, five hundred sixty-six".