11534045543 has 8 divisors (see below), whose sum is σ = 12098543616. Its totient is φ = 10974799000.

The previous prime is 11534045491. The next prime is 11534045563. The reversal of 11534045543 is 34554043511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11534045543 - 2¹⁴ = 11534029159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11534045563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1308383 + ... + 1317168.

It is an arithmetic number, because the mean of its divisors is an integer number (1512317952).

Almost surely, 2^11534045543 is an apocalyptic number.

11534045543 is a deficient number, since it is larger than the sum of its proper divisors (564498073).

11534045543 is a wasteful number, since it uses less digits than its factorization.

11534045543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625765.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 11534045543 in words is "eleven billion, five hundred thirty-four million, forty-five thousand, five hundred forty-three".