11729960920 has 16 divisors (see below), whose sum is σ = 26392412160. Its totient is φ = 4691984352.

The previous prime is 11729960863. The next prime is 11729960933. The reversal of 11729960920 is 2906992711.

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 3 ways as a sum of consecutive naturals, for example, 146624472 + ... + 146624551.

It is an arithmetic number, because the mean of its divisors is an integer number (1649525760).

Almost surely, 2^11729960920 is an apocalyptic number.

11729960920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11729960920 is an abundant number, since it is smaller than the sum of its proper divisors (14662451240).

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

11729960920 is a wasteful number, since it uses less digits than its factorization.

11729960920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293249034 (or 293249030 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 46.

The spelling of 11729960920 in words is "eleven billion, seven hundred twenty-nine million, nine hundred sixty thousand, nine hundred twenty".