1255686210200 has 96 divisors (see below), whose sum is σ = 2935013553360. Its totient is φ = 499606732800.

The previous prime is 1255686210197. The next prime is 1255686210263. The reversal of 1255686210200 is 20126865521.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 32408039 + ... + 32446761.

Almost surely, 2^{1255686210200} is an apocalyptic number.

1255686210200 is a gapful number since it is divisible by the number (10) 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 1255686210200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1467506776680).

1255686210200 is an abundant number, since it is smaller than the sum of its proper divisors (1679327343160).

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

1255686210200 is a wasteful number, since it uses less digits than its factorization.

1255686210200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39597 (or 39588 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 1255686210200 in words is "one trillion, two hundred fifty-five billion, six hundred eighty-six million, two hundred ten thousand, two hundred".