12641551152255 has 24 divisors (see below), whose sum is σ = 23200964469072. Its totient is φ = 6345562930944.

The previous prime is 12641551152227. The next prime is 12641551152301. The reversal of 12641551152255 is 55225115514621.

It is a happy number.

12641551152255 is a `hidden beast` number, since 1 + 2 + 6 + 41 + 551 + 1 + 5 + 2 + 2 + 55 = 666.

It is not a de Polignac number, because 12641551152255 - 2²⁷ = 12641416934527 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 12641551152255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8262450969 + ... + 8262452498.

It is an arithmetic number, because the mean of its divisors is an integer number (966706852878).

Almost surely, 2^{12641551152255} is an apocalyptic number.

12641551152255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12641551152255 is a deficient number, since it is larger than the sum of its proper divisors (10559413316817).

12641551152255 is a wasteful number, since it uses less digits than its factorization.

12641551152255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16524903495 (or 16524903492 counting only the distinct ones).

The product of its digits is 600000, while the sum is 45.

Adding to 12641551152255 its reverse (55225115514621), we get a palindrome (67866666666876).

The spelling of 12641551152255 in words is "twelve trillion, six hundred forty-one billion, five hundred fifty-one million, one hundred fifty-two thousand, two hundred fifty-five".