11729843136 has 84 divisors (see below), whose sum is σ = 36677995224. Its totient is φ = 3554496000.

The previous prime is 11729843129. The next prime is 11729843183. The reversal of 11729843136 is 63134892711.

11729843136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11729843091 and 11729843100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 919315 + ... + 931986.

Almost surely, 2^11729843136 is an apocalyptic number.

11729843136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11729843136 is an abundant number, since it is smaller than the sum of its proper divisors (24948152088).

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

11729843136 is a wasteful number, since it uses less digits than its factorization.

11729843136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851330 (or 1851317 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The spelling of 11729843136 in words is "eleven billion, seven hundred twenty-nine million, eight hundred forty-three thousand, one hundred thirty-six".