43128337641625 has 16 divisors (see below), whose sum is σ = 53875969355520. Its totient is φ = 34469462434800.

The previous prime is 43128337641581. The next prime is 43128337641647. The reversal of 43128337641625 is 52614673382134.

It is not a de Polignac number, because 43128337641625 - 2⁷ = 43128337641497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165907999 + ... + 166167748.

It is an arithmetic number, because the mean of its divisors is an integer number (3367248084720).

Almost surely, 2^{43128337641625} is an apocalyptic number.

It is an amenable number.

43128337641625 is a deficient number, since it is larger than the sum of its proper divisors (10747631713895).

43128337641625 is a wasteful number, since it uses less digits than its factorization.

43128337641625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332076801 (or 332076791 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 55.

The spelling of 43128337641625 in words is "forty-three trillion, one hundred twenty-eight billion, three hundred thirty-seven million, six hundred forty-one thousand, six hundred twenty-five".