255567775516 has 12 divisors (see below), whose sum is σ = 447257275360. Its totient is φ = 127779982560.

The previous prime is 255567775513. The next prime is 255567775531. The reversal of 255567775516 is 615577765552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255567775513) 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, 826500 + ... + 1092811.

Almost surely, 2^255567775516 is an apocalyptic number.

It is an amenable number.

255567775516 is a deficient number, since it is larger than the sum of its proper divisors (191689499844).

255567775516 is a wasteful number, since it uses less digits than its factorization.

255567775516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952604 (or 1952602 counting only the distinct ones).

The product of its digits is 77175000, while the sum is 61.

The spelling of 255567775516 in words is "two hundred fifty-five billion, five hundred sixty-seven million, seven hundred seventy-five thousand, five hundred sixteen".