255101100 has 36 divisors (see below), whose sum is σ = 738093384. Its totient is φ = 68026880.

The previous prime is 255101059. The next prime is 255101117. The reversal of 255101100 is 1101552.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 255101100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 424869 + ... + 425468.

It is an arithmetic number, because the mean of its divisors is an integer number (20502594).

Almost surely, 2^255101100 is an apocalyptic number.

255101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255101100 is an abundant number, since it is smaller than the sum of its proper divisors (482992284).

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

255101100 is a wasteful number, since it uses less digits than its factorization.

255101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850354 (or 850347 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 255101100 is about 15971.8846727617. The cubic root of 255101100 is about 634.2163644366.

Adding to 255101100 its reverse (1101552), we get a palindrome (256202652).

The spelling of 255101100 in words is "two hundred fifty-five million, one hundred one thousand, one hundred".