255105200000 has 384 divisors, whose sum is σ = 749652019200. Its totient is φ = 84614400000.

The previous prime is 255105199939. The next prime is 255105200023. The reversal of 255105200000 is 2501552.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86798531 + ... + 86801469.

It is an arithmetic number, because the mean of its divisors is an integer number (1952218800).

Almost surely, 2^255105200000 is an apocalyptic number.

255105200000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255105200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374826009600).

255105200000 is an abundant number, since it is smaller than the sum of its proper divisors (494546819200).

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

255105200000 is an frugal number, since it uses more digits than its factorization.

255105200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3016 (or 2984 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

Adding to 255105200000 its reverse (2501552), we get a palindrome (255107701552).

The spelling of 255105200000 in words is "two hundred fifty-five billion, one hundred five million, two hundred thousand".