12803755543 has 4 divisors (see below), whose sum is σ = 12994856440. Its totient is φ = 12612654648.

The previous prime is 12803755537. The next prime is 12803755583. The reversal of 12803755543 is 34555730821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34555730821 = 43 ⋅803621647.

It is a cyclic number.

It is not a de Polignac number, because 12803755543 - 2¹³ = 12803747351 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 12803755543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12803755583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95550348 + ... + 95550481.

It is an arithmetic number, because the mean of its divisors is an integer number (3248714110).

Almost surely, 2^12803755543 is an apocalyptic number.

12803755543 is a deficient number, since it is larger than the sum of its proper divisors (191100897).

12803755543 is an equidigital number, since it uses as much as digits as its factorization.

12803755543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191100896.

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 12803755543 in words is "twelve billion, eight hundred three million, seven hundred fifty-five thousand, five hundred forty-three".