11543542213 has 16 divisors (see below), whose sum is σ = 13328219520. Its totient is φ = 9792964800.

The previous prime is 11543542211. The next prime is 11543542229. The reversal of 11543542213 is 31224534511.

It is a cyclic number.

It is not a de Polignac number, because 11543542213 - 2¹ = 11543542211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11543542211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733083 + ... + 748663.

It is an arithmetic number, because the mean of its divisors is an integer number (833013720).

Almost surely, 2^11543542213 is an apocalyptic number.

It is an amenable number.

11543542213 is a deficient number, since it is larger than the sum of its proper divisors (1784677307).

11543542213 is a wasteful number, since it uses less digits than its factorization.

11543542213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16668.

The product of its digits is 14400, while the sum is 31.

The spelling of 11543542213 in words is "eleven billion, five hundred forty-three million, five hundred forty-two thousand, two hundred thirteen".