11729040168 has 32 divisors (see below), whose sum is σ = 30004524000. Its totient is φ = 3818756928.

The previous prime is 11729040151. The next prime is 11729040199. The reversal of 11729040168 is 86104092711.

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, 5681643 + ... + 5683706.

It is an arithmetic number, because the mean of its divisors is an integer number (937641375).

Almost surely, 2^11729040168 is an apocalyptic number.

It is an amenable number.

11729040168 is an abundant number, since it is smaller than the sum of its proper divisors (18275483832).

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

11729040168 is a wasteful number, since it uses less digits than its factorization.

11729040168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11365401 (or 11365397 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The spelling of 11729040168 in words is "eleven billion, seven hundred twenty-nine million, forty thousand, one hundred sixty-eight".