255561265706 has 8 divisors (see below), whose sum is σ = 389626192164. Its totient is φ = 125685868320.

The previous prime is 255561265703. The next prime is 255561265709. The reversal of 255561265706 is 607562165552.

It is an interprime number because it is at equal distance from previous prime (255561265703) and next prime (255561265709).

It can be written as a sum of positive squares in 2 ways, for example, as 245808715681 + 9752550025 = 495791^2 + 98755^2 .

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

It is not an unprimeable number, because it can be changed into a prime (255561265703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1047382115 + ... + 1047382358.

Almost surely, 2^255561265706 is an apocalyptic number.

255561265706 is a deficient number, since it is larger than the sum of its proper divisors (134064926458).

255561265706 is a wasteful number, since it uses less digits than its factorization.

255561265706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2094764536.

The product of its (nonzero) digits is 3780000, while the sum is 50.

The spelling of 255561265706 in words is "two hundred fifty-five billion, five hundred sixty-one million, two hundred sixty-five thousand, seven hundred six".