10543443205 has 4 divisors (see below), whose sum is σ = 12652131852. Its totient is φ = 8434754560.

The previous prime is 10543443161. The next prime is 10543443221. The reversal of 10543443205 is 50234434501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50234434501 = 1321 ⋅38027581.

It can be written as a sum of positive squares in 2 ways, for example, as 7492979844 + 3050463361 = 86562^2 + 55231^2 .

It is not a de Polignac number, because 10543443205 - 2²⁵ = 10509888773 is a prime.

It is a super-2 number, since 2×10543443205² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1054344316 + ... + 1054344325.

It is an arithmetic number, because the mean of its divisors is an integer number (3163032963).

Almost surely, 2^10543443205 is an apocalyptic number.

It is an amenable number.

10543443205 is a deficient number, since it is larger than the sum of its proper divisors (2108688647).

10543443205 is an equidigital number, since it uses as much as digits as its factorization.

10543443205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108688646.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 10543443205 its reverse (50234434501), we get a palindrome (60777877706).

The spelling of 10543443205 in words is "ten billion, five hundred forty-three million, four hundred forty-three thousand, two hundred five".