255121253211252 has 12 divisors (see below), whose sum is σ = 595282924159616. Its totient is φ = 85040417737080.

The previous prime is 255121253211073. The next prime is 255121253211259. The reversal of 255121253211252 is 252112352121552.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 255121253211252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255121253211259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10630052217124 + ... + 10630052217147.

Almost surely, 2^{255121253211252} is an apocalyptic number.

It is an amenable number.

255121253211252 is an abundant number, since it is smaller than the sum of its proper divisors (340161670948364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255121253211252 is a wasteful number, since it uses less digits than its factorization.

255121253211252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21260104434278 (or 21260104434276 counting only the distinct ones).

The product of its digits is 120000, while the sum is 39.

The spelling of 255121253211252 in words is "two hundred fifty-five trillion, one hundred twenty-one billion, two hundred fifty-three million, two hundred eleven thousand, two hundred fifty-two".