125647352859 has 40 divisors (see below), whose sum is σ = 197914626560. Its totient is φ = 70889324688.

The previous prime is 125647352843. The next prime is 125647352879. The reversal of 125647352859 is 958253746521.

It is not a de Polignac number, because 125647352859 - 2⁴ = 125647352843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125647352799 and 125647352808.

It is not an unprimeable number, because it can be changed into a prime (125647352819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 458634 + ... + 679440.

It is an arithmetic number, because the mean of its divisors is an integer number (4947865664).

Almost surely, 2^125647352859 is an apocalyptic number.

125647352859 is a deficient number, since it is larger than the sum of its proper divisors (72267273701).

125647352859 is an frugal number, since it uses more digits than its factorization.

125647352859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220917 (or 220896 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 57.

The spelling of 125647352859 in words is "one hundred twenty-five billion, six hundred forty-seven million, three hundred fifty-two thousand, eight hundred fifty-nine".