255115330000 has 100 divisors (see below), whose sum is σ = 618802169920. Its totient is φ = 101857392000.

The previous prime is 255115329877. The next prime is 255115330009. The reversal of 255115330000 is 33511552.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255115330009) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 5446681 + ... + 5493319.

Almost surely, 2^255115330000 is an apocalyptic number.

255115330000 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 255115330000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309401084960).

255115330000 is an abundant number, since it is smaller than the sum of its proper divisors (363686839920).

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

255115330000 is an equidigital number, since it uses as much as digits as its factorization.

255115330000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47214 (or 47193 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

Adding to 255115330000 its reverse (33511552), we get a palindrome (255148841552).

The spelling of 255115330000 in words is "two hundred fifty-five billion, one hundred fifteen million, three hundred thirty thousand".