43005544225 has 12 divisors (see below), whose sum is σ = 60945000064. Its totient is φ = 29489515920.

The previous prime is 43005544217. The next prime is 43005544271. The reversal of 43005544225 is 52244550034.

It is not a de Polignac number, because 43005544225 - 2³ = 43005544217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122872809 + ... + 122873158.

Almost surely, 2^43005544225 is an apocalyptic number.

It is an amenable number.

43005544225 is a deficient number, since it is larger than the sum of its proper divisors (17939455839).

43005544225 is a wasteful number, since it uses less digits than its factorization.

43005544225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245745984 (or 245745979 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 34.

The spelling of 43005544225 in words is "forty-three billion, five million, five hundred forty-four thousand, two hundred twenty-five".