11013504543 has 24 divisors (see below), whose sum is σ = 16153458048. Its totient is φ = 7230055632.

The previous prime is 11013504533. The next prime is 11013504589. The reversal of 11013504543 is 34540531011.

It is a happy number.

11013504543 is a `hidden beast` number, since 1 + 101 + 3 + 504 + 54 + 3 = 666.

It is not a de Polignac number, because 11013504543 - 2⁵ = 11013504511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11013504503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126580 + ... + 195062.

It is an arithmetic number, because the mean of its divisors is an integer number (673060752).

Almost surely, 2^11013504543 is an apocalyptic number.

11013504543 is a deficient number, since it is larger than the sum of its proper divisors (5139953505).

11013504543 is a wasteful number, since it uses less digits than its factorization.

11013504543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68763 (or 68760 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 11013504543 in words is "eleven billion, thirteen million, five hundred four thousand, five hundred forty-three".