10721505443 has 24 divisors (see below), whose sum is σ = 11918206608. Its totient is φ = 9637056000.

The previous prime is 10721505433. The next prime is 10721505451. The reversal of 10721505443 is 34450512701.

10721505443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10721505443 - 2²⁴ = 10704728227 is a prime.

It is a super-2 number, since 2×10721505443² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10721505433) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4960283 + ... + 4962443.

It is an arithmetic number, because the mean of its divisors is an integer number (496591942).

Almost surely, 2^10721505443 is an apocalyptic number.

10721505443 is a deficient number, since it is larger than the sum of its proper divisors (1196701165).

10721505443 is a wasteful number, since it uses less digits than its factorization.

10721505443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2627 (or 2616 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 10721505443 in words is "ten billion, seven hundred twenty-one million, five hundred five thousand, four hundred forty-three".