255201100 has 216 divisors, whose sum is σ = 731453184. Its totient is φ = 75504000.

The previous prime is 255201071. The next prime is 255201119. The reversal of 255201100 is 1102552.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1948035 + ... + 1948165.

Almost surely, 2^255201100 is an apocalyptic number.

255201100 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 255201100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365726592).

255201100 is an abundant number, since it is smaller than the sum of its proper divisors (476252084).

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

255201100 is a wasteful number, since it uses less digits than its factorization.

255201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 255201100 is about 15975.0148669727. The cubic root of 255201100 is about 634.2992248543.

Adding to 255201100 its reverse (1102552), we get a palindrome (256303652).

The spelling of 255201100 in words is "two hundred fifty-five million, two hundred one thousand, one hundred".