12543314553 has 48 divisors (see below), whose sum is σ = 22606187136. Its totient is φ = 6511000320.

The previous prime is 12543314549. The next prime is 12543314587. The reversal of 12543314553 is 35541334521.

12543314553 is a `hidden beast` number, since 12 + 54 + 33 + 14 + 553 = 666.

It is not a de Polignac number, because 12543314553 - 2² = 12543314549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12543314513) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1000701 + ... + 1013157.

It is an arithmetic number, because the mean of its divisors is an integer number (470962232).

Almost surely, 2^12543314553 is an apocalyptic number.

It is an amenable number.

12543314553 is a deficient number, since it is larger than the sum of its proper divisors (10062872583).

12543314553 is a wasteful number, since it uses less digits than its factorization.

12543314553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13934 (or 13931 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

It can be divided in two parts, 1254331 and 4553, that added together give a square (1258884 = 1122²).

The spelling of 12543314553 in words is "twelve billion, five hundred forty-three million, three hundred fourteen thousand, five hundred fifty-three".