125647849471589 has 16 divisors (see below), whose sum is σ = 143456579642880. Its totient is φ = 109300251133440.

The previous prime is 125647849471583. The next prime is 125647849471591. The reversal of 125647849471589 is 985174948746521.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125647849471589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125647849471583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4743921269 + ... + 4743947754.

It is an arithmetic number, because the mean of its divisors is an integer number (8966036227680).

Almost surely, 2^{125647849471589} is an apocalyptic number.

125647849471589 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

125647849471589 is a deficient number, since it is larger than the sum of its proper divisors (17808730171291).

125647849471589 is a wasteful number, since it uses less digits than its factorization.

125647849471589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9487869100.

The product of its digits is 4877107200, while the sum is 80.

The spelling of 125647849471589 in words is "one hundred twenty-five trillion, six hundred forty-seven billion, eight hundred forty-nine million, four hundred seventy-one thousand, five hundred eighty-nine".