10921724836 has 24 divisors (see below), whose sum is σ = 20853562464. Its totient is φ = 4963706880.

The previous prime is 10921724773. The next prime is 10921724867. The reversal of 10921724836 is 63842712901.

10921724836 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 = 10921724792 and 10921724801.

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 7 ways as a sum of consecutive naturals, for example, 403711 + ... + 429913.

It is an arithmetic number, because the mean of its divisors is an integer number (868898436).

Almost surely, 2^10921724836 is an apocalyptic number.

It is an amenable number.

10921724836 is a deficient number, since it is larger than the sum of its proper divisors (9931837628).

10921724836 is a wasteful number, since it uses less digits than its factorization.

10921724836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35691 (or 35689 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 10921724836 in words is "ten billion, nine hundred twenty-one million, seven hundred twenty-four thousand, eight hundred thirty-six".