12782109503 has 8 divisors (see below), whose sum is σ = 13551043200. Its totient is φ = 12035463840.

The previous prime is 12782109479. The next prime is 12782109511. The reversal of 12782109503 is 30590128721.

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 12782109503 - 2¹² = 12782105407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12782109203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5570828 + ... + 5573121.

It is an arithmetic number, because the mean of its divisors is an integer number (1693880400).

Almost surely, 2^12782109503 is an apocalyptic number.

12782109503 is a deficient number, since it is larger than the sum of its proper divisors (768933697).

12782109503 is a wasteful number, since it uses less digits than its factorization.

12782109503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11144017.

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 12782109503 in words is "twelve billion, seven hundred eighty-two million, one hundred nine thousand, five hundred three".