11543243064 has 32 divisors (see below), whose sum is σ = 28869661440. Its totient is φ = 3846207200.

The previous prime is 11543243051. The next prime is 11543243081. The reversal of 11543243064 is 46034234511.

It is a happy number.

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, 34272 + ... + 155759.

It is an arithmetic number, because the mean of its divisors is an integer number (902176920).

Almost surely, 2^11543243064 is an apocalyptic number.

It is an amenable number.

11543243064 is an abundant number, since it is smaller than the sum of its proper divisors (17326418376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11543243064 is a wasteful number, since it uses less digits than its factorization.

11543243064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192571 (or 192567 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 11543243064 its reverse (46034234511), we get a palindrome (57577477575).

The spelling of 11543243064 in words is "eleven billion, five hundred forty-three million, two hundred forty-three thousand, sixty-four".