125825640616 has 32 divisors (see below), whose sum is σ = 254162429640. Its totient is φ = 58052475648.

The previous prime is 125825640613. The next prime is 125825640631. The reversal of 125825640616 is 616046528521.

It can be written as a sum of positive squares in 4 ways, for example, as 76643707716 + 49181932900 = 276846^2 + 221770^2 .

It is not an unprimeable number, because it can be changed into a prime (125825640613) by changing a digit.

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, 74610 + ... + 507166.

Almost surely, 2^125825640616 is an apocalyptic number.

It is an amenable number.

125825640616 is an abundant number, since it is smaller than the sum of its proper divisors (128336789024).

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

125825640616 is a wasteful number, since it uses less digits than its factorization.

125825640616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435373 (or 435369 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 125825640616 in words is "one hundred twenty-five billion, eight hundred twenty-five million, six hundred forty thousand, six hundred sixteen".