43128152500 has 30 divisors (see below), whose sum is σ = 94312649354. Its totient is φ = 17251260000.

The previous prime is 43128152477. The next prime is 43128152503. The reversal of 43128152500 is 525182134.

It can be written as a sum of positive squares in 5 ways, for example, as 15345263376 + 27782889124 = 123876^2 + 166682^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43128152503) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8623131 + ... + 8628130.

Almost surely, 2^43128152500 is an apocalyptic number.

It is an amenable number.

43128152500 is an abundant number, since it is smaller than the sum of its proper divisors (51184496854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43128152500 is a wasteful number, since it uses less digits than its factorization.

43128152500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17251285 (or 17251268 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 43128152500 in words is "forty-three billion, one hundred twenty-eight million, one hundred fifty-two thousand, five hundred".