255512561200 has 60 divisors (see below), whose sum is σ = 661089628528. Its totient is φ = 94343097600.

The previous prime is 255512561177. The next prime is 255512561209. The reversal of 255512561200 is 2165215552.

It is not an unprimeable number, because it can be changed into a prime (255512561209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24563316 + ... + 24573715.

Almost surely, 2^255512561200 is an apocalyptic number.

255512561200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255512561200 is an abundant number, since it is smaller than the sum of its proper divisors (405577067328).

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

255512561200 is a wasteful number, since it uses less digits than its factorization.

255512561200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49137062 (or 49137051 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 34.

Adding to 255512561200 its reverse (2165215552), we get a palindrome (257677776752).

The spelling of 255512561200 in words is "two hundred fifty-five billion, five hundred twelve million, five hundred sixty-one thousand, two hundred".