255005665210 has 8 divisors (see below), whose sum is σ = 459010197396. Its totient is φ = 102002266080.

The previous prime is 255005665183. The next prime is 255005665247. The reversal of 255005665210 is 12566500552.

It can be written as a sum of positive squares in 2 ways, for example, as 212610443409 + 42395221801 = 461097^2 + 205901^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 255005665210.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12750283251 + ... + 12750283270.

Almost surely, 2^255005665210 is an apocalyptic number.

255005665210 is a deficient number, since it is larger than the sum of its proper divisors (204004532186).

255005665210 is a wasteful number, since it uses less digits than its factorization.

255005665210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25500566528.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 255005665210 in words is "two hundred fifty-five billion, five million, six hundred sixty-five thousand, two hundred ten".