11523163110543 has 32 divisors (see below), whose sum is σ = 19652527096320. Its totient is φ = 6536601374400.

The previous prime is 11523163110443. The next prime is 11523163110551. The reversal of 11523163110543 is 34501136132511.

11523163110543 is a `hidden beast` number, since 1 + 1 + 5 + 2 + 3 + 1 + 631 + 10 + 5 + 4 + 3 = 666.

It is not a de Polignac number, because 11523163110543 - 2²¹ = 11523161013391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11523163110498 and 11523163110507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11523163110583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222489133 + ... + 222540918.

It is an arithmetic number, because the mean of its divisors is an integer number (614141471760).

Almost surely, 2^{11523163110543} is an apocalyptic number.

11523163110543 is a deficient number, since it is larger than the sum of its proper divisors (8129363985777).

11523163110543 is a wasteful number, since it uses less digits than its factorization.

11523163110543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445030204 (or 445030198 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 11523163110543 in words is "eleven trillion, five hundred twenty-three billion, one hundred sixty-three million, one hundred ten thousand, five hundred forty-three".