11543312206 has 16 divisors (see below), whose sum is σ = 17518860000. Its totient is φ = 5704082208.

The previous prime is 11543312177. The next prime is 11543312219. The reversal of 11543312206 is 60221334511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38025 + ... + 156628.

It is an arithmetic number, because the mean of its divisors is an integer number (1094928750).

Almost surely, 2^11543312206 is an apocalyptic number.

11543312206 is a deficient number, since it is larger than the sum of its proper divisors (5975547794).

11543312206 is a wasteful number, since it uses less digits than its factorization.

11543312206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195003.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 11543312206 its reverse (60221334511), we get a palindrome (71764646717).

The spelling of 11543312206 in words is "eleven billion, five hundred forty-three million, three hundred twelve thousand, two hundred six".