125166315264 has 72 divisors (see below), whose sum is σ = 334507688592. Its totient is φ = 41548922880.

The previous prime is 125166315247. The next prime is 125166315301. The reversal of 125166315264 is 462513661521.

125166315264 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 153039 + ... + 523214.

Almost surely, 2^125166315264 is an apocalyptic number.

It is an amenable number.

125166315264 is an abundant number, since it is smaller than the sum of its proper divisors (209341373328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125166315264 is an equidigital number, since it uses as much as digits as its factorization.

125166315264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676513 (or 676499 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

Adding to 125166315264 its reverse (462513661521), we get a palindrome (587679976785).

The spelling of 125166315264 in words is "one hundred twenty-five billion, one hundred sixty-six million, three hundred fifteen thousand, two hundred sixty-four".