43457520125 has 16 divisors (see below), whose sum is σ = 54266986800. Its totient is φ = 34745502400.

The previous prime is 43457520109. The next prime is 43457520209. The reversal of 43457520125 is 52102575434.

43457520125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 35035603684 + 8421916441 = 187178^2 + 91771^2 .

It is not a de Polignac number, because 43457520125 - 2⁴ = 43457520109 is a prime.

It is a congruent number.

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, 111911 + ... + 315339.

It is an arithmetic number, because the mean of its divisors is an integer number (3391686675).

Almost surely, 2^43457520125 is an apocalyptic number.

It is an amenable number.

43457520125 is a deficient number, since it is larger than the sum of its proper divisors (10809466675).

43457520125 is a wasteful number, since it uses less digits than its factorization.

43457520125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205153 (or 205143 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 38.

The spelling of 43457520125 in words is "forty-three billion, four hundred fifty-seven million, five hundred twenty thousand, one hundred twenty-five".