255011320600 has 96 divisors (see below), whose sum is σ = 605918808000. Its totient is φ = 99788682240.

The previous prime is 255011320591. The next prime is 255011320601. The reversal of 255011320600 is 6023110552.

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 (255011320601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1648164 + ... + 1796236.

It is an arithmetic number, because the mean of its divisors is an integer number (6311654250).

Almost surely, 2^255011320600 is an apocalyptic number.

255011320600 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 255011320600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302959404000).

255011320600 is an abundant number, since it is smaller than the sum of its proper divisors (350907487400).

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

255011320600 is a wasteful number, since it uses less digits than its factorization.

255011320600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148277 (or 148268 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 255011320600 in words is "two hundred fifty-five billion, eleven million, three hundred twenty thousand, six hundred".