43308057017128 has 8 divisors (see below), whose sum is σ = 81202606907130. Its totient is φ = 21654028508560.

The previous prime is 43308057017083. The next prime is 43308057017131. The reversal of 43308057017128 is 82171075080334.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 33770719542564 + 9537337474564 = 5811258^2 + 3088258^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2706753563563 + ... + 2706753563578.

Almost surely, 2^{43308057017128} is an apocalyptic number.

It is an amenable number.

43308057017128 is a deficient number, since it is larger than the sum of its proper divisors (37894549890002).

43308057017128 is a wasteful number, since it uses less digits than its factorization.

43308057017128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5413507127147 (or 5413507127143 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 43308057017128 in words is "forty-three trillion, three hundred eight billion, fifty-seven million, seventeen thousand, one hundred twenty-eight".