255122140211420 has 96 divisors (see below), whose sum is σ = 546123531925440. Its totient is φ = 100082627440640.

The previous prime is 255122140211417. The next prime is 255122140211431. The reversal of 255122140211420 is 24112041221552.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 858175124 + ... + 858472356.

It is an arithmetic number, because the mean of its divisors is an integer number (5688786790890).

Almost surely, 2^{255122140211420} is an apocalyptic number.

255122140211420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255122140211420 is an abundant number, since it is smaller than the sum of its proper divisors (291001391714020).

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

255122140211420 is a wasteful number, since it uses less digits than its factorization.

255122140211420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299015 (or 299013 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

Adding to 255122140211420 its reverse (24112041221552), we get a palindrome (279234181432972).

The spelling of 255122140211420 in words is "two hundred fifty-five trillion, one hundred twenty-two billion, one hundred forty million, two hundred eleven thousand, four hundred twenty".