255240120052 has 12 divisors (see below), whose sum is σ = 466090654176. Its totient is φ = 122071361720.

The previous prime is 255240120017. The next prime is 255240120059. The reversal of 255240120052 is 250021042552.

It is a self number, because there is not a number n which added to its sum of digits gives 255240120052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255240120059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1387174474 + ... + 1387174657.

It is an arithmetic number, because the mean of its divisors is an integer number (38840887848).

Almost surely, 2^255240120052 is an apocalyptic number.

It is an amenable number.

255240120052 is a deficient number, since it is larger than the sum of its proper divisors (210850534124).

255240120052 is a wasteful number, since it uses less digits than its factorization.

255240120052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774349158 (or 2774349156 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The spelling of 255240120052 in words is "two hundred fifty-five billion, two hundred forty million, one hundred twenty thousand, fifty-two".