11543000011 has 2 divisors, whose sum is σ = 11543000012. Its totient is φ = 11543000010.

The previous prime is 11542999999. The next prime is 11543000081. The reversal of 11543000011 is 11000034511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11543000011 - 2⁷ = 11542999883 is a prime.

It is not a weakly prime, because it can be changed into another prime (11543000081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5771500005 + 5771500006.

It is an arithmetic number, because the mean of its divisors is an integer number (5771500006).

Almost surely, 2^11543000011 is an apocalyptic number.

11543000011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11543000011 is an equidigital number, since it uses as much as digits as its factorization.

11543000011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 11543000011 its reverse (11000034511), we get a palindrome (22543034522).

The spelling of 11543000011 in words is "eleven billion, five hundred forty-three million, eleven", and thus it is an aban number.