12550531543 has 8 divisors (see below), whose sum is σ = 13701980160. Its totient is φ = 11400831480.

The previous prime is 12550531501. The next prime is 12550531549. The reversal of 12550531543 is 34513505521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12550531543 - 2¹³ = 12550523351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12550531499 and 12550531508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12550531549) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 422103 + ... + 450856.

It is an arithmetic number, because the mean of its divisors is an integer number (1712747520).

Almost surely, 2^12550531543 is an apocalyptic number.

12550531543 is a deficient number, since it is larger than the sum of its proper divisors (1151448617).

12550531543 is a wasteful number, since it uses less digits than its factorization.

12550531543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874277.

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 12550531543 in words is "twelve billion, five hundred fifty million, five hundred thirty-one thousand, five hundred forty-three".