255110122144542 has 192 divisors, whose sum is σ = 600787147161600. Its totient is φ = 72002774047680.

The previous prime is 255110122144463. The next prime is 255110122144543. The reversal of 255110122144542 is 245441221011552.

It is a self number, because there is not a number n which added to its sum of digits gives 255110122144542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255110122144543) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7468296459 + ... + 7468330617.

It is an arithmetic number, because the mean of its divisors is an integer number (3129099724800).

Almost surely, 2^{255110122144542} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255110122144542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300393573580800).

255110122144542 is an abundant number, since it is smaller than the sum of its proper divisors (345677025017058).

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

255110122144542 is a wasteful number, since it uses less digits than its factorization.

255110122144542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35291 (or 35284 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 39.

The spelling of 255110122144542 in words is "two hundred fifty-five trillion, one hundred ten billion, one hundred twenty-two million, one hundred forty-four thousand, five hundred forty-two".