12354544505603 has 16 divisors (see below), whose sum is σ = 12796538630400. Its totient is φ = 11921797544160.

The previous prime is 12354544505593. The next prime is 12354544505609. The reversal of 12354544505603 is 30650544545321.

It is a cyclic number.

It is not a de Polignac number, because 12354544505603 - 2³⁰ = 12353470763779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12354544505609) 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 15 ways as a sum of consecutive naturals, for example, 5480201 + ... + 7398762.

It is an arithmetic number, because the mean of its divisors is an integer number (799783664400).

Almost surely, 2^{12354544505603} is an apocalyptic number.

12354544505603 is a deficient number, since it is larger than the sum of its proper divisors (441994124797).

12354544505603 is a wasteful number, since it uses less digits than its factorization.

12354544505603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12879322.

The product of its (nonzero) digits is 4320000, while the sum is 47.

The spelling of 12354544505603 in words is "twelve trillion, three hundred fifty-four billion, five hundred forty-four million, five hundred five thousand, six hundred three".