12543503475741 has 16 divisors (see below), whose sum is σ = 19113973705344. Its totient is φ = 7167692404224.

The previous prime is 12543503475709. The next prime is 12543503475743. The reversal of 12543503475741 is 14757430534521.

It is not a de Polignac number, because 12543503475741 - 2⁵ = 12543503475709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12543503475743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6931125 + ... + 8551461.

It is an arithmetic number, because the mean of its divisors is an integer number (1194623356584).

Almost surely, 2^{12543503475741} is an apocalyptic number.

It is an amenable number.

12543503475741 is a deficient number, since it is larger than the sum of its proper divisors (6570470229603).

12543503475741 is a wasteful number, since it uses less digits than its factorization.

12543503475741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988980.

The product of its (nonzero) digits is 7056000, while the sum is 51.

The spelling of 12543503475741 in words is "twelve trillion, five hundred forty-three billion, five hundred three million, four hundred seventy-five thousand, seven hundred forty-one".