12553521334 has 32 divisors (see below), whose sum is σ = 19590854400. Its totient is φ = 6025827360.

The previous prime is 12553521287. The next prime is 12553521341. The reversal of 12553521334 is 43312535521.

It is a self number, because there is not a number n which added to its sum of digits gives 12553521334.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9723229 + ... + 9724519.

It is an arithmetic number, because the mean of its divisors is an integer number (612214200).

Almost surely, 2^12553521334 is an apocalyptic number.

12553521334 is a deficient number, since it is larger than the sum of its proper divisors (7037333066).

12553521334 is a wasteful number, since it uses less digits than its factorization.

12553521334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148.

The product of its digits is 54000, while the sum is 34.

The spelling of 12553521334 in words is "twelve billion, five hundred fifty-three million, five hundred twenty-one thousand, three hundred thirty-four".