125251320344 has 16 divisors (see below), whose sum is σ = 234899102400. Its totient is φ = 62611559712.

The previous prime is 125251320331. The next prime is 125251320367. The reversal of 125251320344 is 443023152521.

It is a self number, because there is not a number n which added to its sum of digits gives 125251320344.

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 3 ways as a sum of consecutive naturals, for example, 1724759 + ... + 1795910.

It is an arithmetic number, because the mean of its divisors is an integer number (14681193900).

Almost surely, 2^125251320344 is an apocalyptic number.

It is an amenable number.

125251320344 is a deficient number, since it is larger than the sum of its proper divisors (109647782056).

125251320344 is a wasteful number, since it uses less digits than its factorization.

125251320344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525122 (or 3525118 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 125251320344 its reverse (443023152521), we get a palindrome (568274472865).

The spelling of 125251320344 in words is "one hundred twenty-five billion, two hundred fifty-one million, three hundred twenty thousand, three hundred forty-four".