12103544563 has 8 divisors (see below), whose sum is σ = 13205039616. Its totient is φ = 11002245000.

The previous prime is 12103544561. The next prime is 12103544581. The reversal of 12103544563 is 36544530121.

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 12103544563 - 2¹ = 12103544561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12103544561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100438 + ... + 185188.

It is an arithmetic number, because the mean of its divisors is an integer number (1650629952).

Almost surely, 2^12103544563 is an apocalyptic number.

12103544563 is a deficient number, since it is larger than the sum of its proper divisors (1101495053).

12103544563 is a wasteful number, since it uses less digits than its factorization.

12103544563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97745.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 12103544563 in words is "twelve billion, one hundred three million, five hundred forty-four thousand, five hundred sixty-three".