11729837922 has 64 divisors (see below), whose sum is σ = 27206419968. Its totient is φ = 3332000000.

The previous prime is 11729837881. The next prime is 11729837923. The reversal of 11729837922 is 22973892711.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (11729837923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 260797 + ... + 302447.

It is an arithmetic number, because the mean of its divisors is an integer number (425100312).

Almost surely, 2^11729837922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11729837922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13603209984).

11729837922 is an abundant number, since it is smaller than the sum of its proper divisors (15476582046).

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

11729837922 is a wasteful number, since it uses less digits than its factorization.

11729837922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41935.

The product of its digits is 762048, while the sum is 51.

The spelling of 11729837922 in words is "eleven billion, seven hundred twenty-nine million, eight hundred thirty-seven thousand, nine hundred twenty-two".