255560813012 has 24 divisors (see below), whose sum is σ = 462691512360. Its totient is φ = 123363968000.

The previous prime is 255560812961. The next prime is 255560813047. The reversal of 255560813012 is 210318065552.

It can be written as a sum of positive squares in 4 ways, for example, as 17871411856 + 237689401156 = 133684^2 + 487534^2 .

It is a super-2 number, since 2×255560813012² (a number of 24 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1423388 + ... + 1592844.

It is an arithmetic number, because the mean of its divisors is an integer number (19278813015).

Almost surely, 2^255560813012 is an apocalyptic number.

It is an amenable number.

255560813012 is a deficient number, since it is larger than the sum of its proper divisors (207130699348).

255560813012 is a wasteful number, since it uses less digits than its factorization.

255560813012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182491 (or 182489 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

Adding to 255560813012 its reverse (210318065552), we get a palindrome (465878878564).

The spelling of 255560813012 in words is "two hundred fifty-five billion, five hundred sixty million, eight hundred thirteen thousand, twelve".