11561333060 has 24 divisors (see below), whose sum is σ = 24312597120. Its totient is φ = 4618095584.

The previous prime is 11561333051. The next prime is 11561333071. The reversal of 11561333060 is 6033316511.

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, 387614 + ... + 416373.

It is an arithmetic number, because the mean of its divisors is an integer number (1013024880).

Almost surely, 2^11561333060 is an apocalyptic number.

11561333060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11561333060 is an abundant number, since it is smaller than the sum of its proper divisors (12751264060).

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

11561333060 is a wasteful number, since it uses less digits than its factorization.

11561333060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804715 (or 804713 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 29.

Adding to 11561333060 its reverse (6033316511), we get a palindrome (17594649571).

The spelling of 11561333060 in words is "eleven billion, five hundred sixty-one million, three hundred thirty-three thousand, sixty".