12352555664 has 20 divisors (see below), whose sum is σ = 24384645756. Its totient is φ = 6059743872.

The previous prime is 12352555661. The next prime is 12352555679. The reversal of 12352555664 is 46655525321.

It can be written as a sum of positive squares in 2 ways, for example, as 10361611264 + 1990944400 = 101792^2 + 44620^2 .

It is not an unprimeable number, because it can be changed into a prime (12352555661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7282499 + ... + 7284194.

Almost surely, 2^12352555664 is an apocalyptic number.

It is an amenable number.

12352555664 is a deficient number, since it is larger than the sum of its proper divisors (12032090092).

12352555664 is a wasteful number, since it uses less digits than its factorization.

12352555664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14566754 (or 14566748 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 44.

The spelling of 12352555664 in words is "twelve billion, three hundred fifty-two million, five hundred fifty-five thousand, six hundred sixty-four".