255135320000 has 560 divisors, whose sum is σ = 763051145472. Its totient is φ = 83466240000.

The previous prime is 255135319973. The next prime is 255135320107. The reversal of 255135320000 is 23531552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 172039259 + ... + 172040741.

Almost surely, 2^255135320000 is an apocalyptic number.

255135320000 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 255135320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381525572736).

255135320000 is an abundant number, since it is smaller than the sum of its proper divisors (507915825472).

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

255135320000 is a wasteful number, since it uses less digits than its factorization.

255135320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566 (or 1541 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

Adding to 255135320000 its reverse (23531552), we get a palindrome (255158851552).

It can be divided in two parts, 2551353 and 20000, that added together give a cube (2571353 = 137³).

The spelling of 255135320000 in words is "two hundred fifty-five billion, one hundred thirty-five million, three hundred twenty thousand".