12327639555 has 64 divisors (see below), whose sum is σ = 24619852800. Its totient is φ = 5117214720.

The previous prime is 12327639553. The next prime is 12327639559. The reversal of 12327639555 is 55593672321.

12327639555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12327639555 - 2¹ = 12327639553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12327639553) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 1067251 + ... + 1078739.

It is an arithmetic number, because the mean of its divisors is an integer number (384685200).

Almost surely, 2^12327639555 is an apocalyptic number.

12327639555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12327639555 is a deficient number, since it is larger than the sum of its proper divisors (12292213245).

12327639555 is a wasteful number, since it uses less digits than its factorization.

12327639555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12444.

The product of its digits is 1701000, while the sum is 48.

The spelling of 12327639555 in words is "twelve billion, three hundred twenty-seven million, six hundred thirty-nine thousand, five hundred fifty-five".