12555330503 has 8 divisors (see below), whose sum is σ = 12697013856. Its totient is φ = 12413988000.

The previous prime is 12555330457. The next prime is 12555330523. The reversal of 12555330503 is 30503355521.

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 12555330503 - 2⁶ = 12555330439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12555330503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12555330523) 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, 10763 + ... + 158828.

It is an arithmetic number, because the mean of its divisors is an integer number (1587126732).

Almost surely, 2^12555330503 is an apocalyptic number.

12555330503 is a deficient number, since it is larger than the sum of its proper divisors (141683353).

12555330503 is a wasteful number, since it uses less digits than its factorization.

12555330503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170425.

The product of its (nonzero) digits is 33750, while the sum is 32.

The spelling of 12555330503 in words is "twelve billion, five hundred fifty-five million, three hundred thirty thousand, five hundred three".