125443676889 has 48 divisors (see below), whose sum is σ = 200786826240. Its totient is φ = 77987370240.

The previous prime is 125443676867. The next prime is 125443676893. The reversal of 125443676889 is 988676344521.

125443676889 is a `hidden beast` number, since 1 + 2 + 54 + 436 + 76 + 8 + 89 = 666.

It is not a de Polignac number, because 125443676889 - 2¹¹ = 125443674841 is a prime.

It is a super-2 number, since 2×125443676889² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125443676989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 310984 + ... + 589574.

It is an arithmetic number, because the mean of its divisors is an integer number (4183058880).

Almost surely, 2^125443676889 is an apocalyptic number.

It is an amenable number.

125443676889 is a deficient number, since it is larger than the sum of its proper divisors (75343149351).

125443676889 is a wasteful number, since it uses less digits than its factorization.

125443676889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278732 (or 278720 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 63.

The spelling of 125443676889 in words is "one hundred twenty-five billion, four hundred forty-three million, six hundred seventy-six thousand, eight hundred eighty-nine".