12552646528 has 32 divisors (see below), whose sum is σ = 25047783000. Its totient is φ = 6266144256.

The previous prime is 12552646523. The next prime is 12552646531. The reversal of 12552646528 is 82564625521.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12552646523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18 + ... + 158446.

Almost surely, 2^12552646528 is an apocalyptic number.

It is an amenable number.

12552646528 is a deficient number, since it is larger than the sum of its proper divisors (12495136472).

12552646528 is an equidigital number, since it uses as much as digits as its factorization.

12552646528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159062 (or 159050 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 46.

The spelling of 12552646528 in words is "twelve billion, five hundred fifty-two million, six hundred forty-six thousand, five hundred twenty-eight".