125486256845 has 8 divisors (see below), whose sum is σ = 155776043160. Its totient is φ = 96927315520.

The previous prime is 125486256803. The next prime is 125486256871. The reversal of 125486256845 is 548652684521.

It can be written as a sum of positive squares in 4 ways, for example, as 1031822884 + 124454433961 = 32122^2 + 352781^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125486256845 - 2⁸ = 125486256589 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 432711086 + ... + 432711375.

It is an arithmetic number, because the mean of its divisors is an integer number (19472005395).

Almost surely, 2^125486256845 is an apocalyptic number.

It is an amenable number.

125486256845 is a deficient number, since it is larger than the sum of its proper divisors (30289786315).

125486256845 is an equidigital number, since it uses as much as digits as its factorization.

125486256845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865422495.

The product of its digits is 18432000, while the sum is 56.

The spelling of 125486256845 in words is "one hundred twenty-five billion, four hundred eighty-six million, two hundred fifty-six thousand, eight hundred forty-five".