10921724835 has 32 divisors (see below), whose sum is σ = 19995935232. Its totient is φ = 4986593280.

The previous prime is 10921724773. The next prime is 10921724867. The reversal of 10921724835 is 53842712901.

It is not a de Polignac number, because 10921724835 - 2⁹ = 10921724323 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21027 + ... + 149283.

It is an arithmetic number, because the mean of its divisors is an integer number (624872976).

Almost surely, 2^10921724835 is an apocalyptic number.

10921724835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10921724835 is a deficient number, since it is larger than the sum of its proper divisors (9074210397).

10921724835 is a wasteful number, since it uses less digits than its factorization.

10921724835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129083.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 10921724835 in words is "ten billion, nine hundred twenty-one million, seven hundred twenty-four thousand, eight hundred thirty-five".