12655331325 has 192 divisors, whose sum is σ = 28798156800. Its totient is φ = 5305824000.

The previous prime is 12655331317. The next prime is 12655331347. The reversal of 12655331325 is 52313355621.

It is not a de Polignac number, because 12655331325 - 2³ = 12655331317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12655331325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 10994500 + ... + 10995650.

It is an arithmetic number, because the mean of its divisors is an integer number (149990400).

Almost surely, 2^12655331325 is an apocalyptic number.

12655331325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12655331325 is an abundant number, since it is smaller than the sum of its proper divisors (16142825475).

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

12655331325 is a wasteful number, since it uses less digits than its factorization.

12655331325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369 (or 1358 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

Adding to 12655331325 its reverse (52313355621), we get a palindrome (64968686946).

The spelling of 12655331325 in words is "twelve billion, six hundred fifty-five million, three hundred thirty-one thousand, three hundred twenty-five".