11534243511 has 16 divisors (see below), whose sum is σ = 17614130688. Its totient is φ = 6576693600.

The previous prime is 11534243489. The next prime is 11534243543.

11534243511 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 11534243511 - 2⁶ = 11534243447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11534243111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 586035 + ... + 605396.

It is an arithmetic number, because the mean of its divisors is an integer number (1100883168).

Almost surely, 2^11534243511 is an apocalyptic number.

11534243511 is a deficient number, since it is larger than the sum of its proper divisors (6079887177).

11534243511 is a wasteful number, since it uses less digits than its factorization.

11534243511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191902.

The product of its digits is 7200, while the sum is 30.

The spelling of 11534243511 in words is "eleven billion, five hundred thirty-four million, two hundred forty-three thousand, five hundred eleven".