255031331002550 has 48 divisors (see below), whose sum is σ = 503999633900880. Its totient is φ = 96011795108480.

The previous prime is 255031331002529. The next prime is 255031331002603. The reversal of 255031331002550 is 55200133130552.

It is a self number, because there is not a number n which added to its sum of digits gives 255031331002550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 518849264 + ... + 519340563.

It is an arithmetic number, because the mean of its divisors is an integer number (10499992372935).

Almost surely, 2^{255031331002550} is an apocalyptic number.

255031331002550 is a deficient number, since it is larger than the sum of its proper divisors (248968302898330).

255031331002550 is a wasteful number, since it uses less digits than its factorization.

255031331002550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038189890 (or 1038189851 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 35.

The spelling of 255031331002550 in words is "two hundred fifty-five trillion, thirty-one billion, three hundred thirty-one million, two thousand, five hundred fifty".