12681375255 has 16 divisors (see below), whose sum is σ = 22544667360. Its totient is φ = 6763400064.

The previous prime is 12681375253. The next prime is 12681375269. The reversal of 12681375255 is 55257318621.

12681375255 is a `hidden beast` number, since 1 + 26 + 8 + 1 + 375 + 255 = 666.

It is not a de Polignac number, because 12681375255 - 2¹ = 12681375253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 12681375255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12681375253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46967922 + ... + 46968191.

It is an arithmetic number, because the mean of its divisors is an integer number (1409041710).

Almost surely, 2^12681375255 is an apocalyptic number.

12681375255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12681375255 is a deficient number, since it is larger than the sum of its proper divisors (9863292105).

12681375255 is an equidigital number, since it uses as much as digits as its factorization.

12681375255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93936127 (or 93936121 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The spelling of 12681375255 in words is "twelve billion, six hundred eighty-one million, three hundred seventy-five thousand, two hundred fifty-five".