43543125005 has 4 divisors (see below), whose sum is σ = 52251750012. Its totient is φ = 34834500000.

The previous prime is 43543124987. The next prime is 43543125011. The reversal of 43543125005 is 50052134534.

It is a happy number.

43543125005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34815454921 + 8727670084 = 186589^2 + 93422^2 .

It is not a de Polignac number, because 43543125005 - 2⁸ = 43543124749 is a prime.

It is a super-3 number, since 3×43543125005³ (a number of 33 digits) contains 333 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, 4354312496 + ... + 4354312505.

It is an arithmetic number, because the mean of its divisors is an integer number (13062937503).

Almost surely, 2^43543125005 is an apocalyptic number.

It is an amenable number.

43543125005 is a deficient number, since it is larger than the sum of its proper divisors (8708625007).

43543125005 is an equidigital number, since it uses as much as digits as its factorization.

43543125005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8708625006.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 43543125005 its reverse (50052134534), we get a palindrome (93595259539).

The spelling of 43543125005 in words is "forty-three billion, five hundred forty-three million, one hundred twenty-five thousand, five".