680662119125 has 16 divisors (see below), whose sum is σ = 850462315248. Its totient is φ = 543891240000.

The previous prime is 680662119107. The next prime is 680662119127. The reversal of 680662119125 is 521911266086.

It can be written as a sum of positive squares in 8 ways, for example, as 159877623409 + 520784495716 = 399847^2 + 721654^2 .

It is not a de Polignac number, because 680662119125 - 2¹⁸ = 680661856981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 680662119125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680662119127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3085226 + ... + 3298475.

It is an arithmetic number, because the mean of its divisors is an integer number (53153894703).

Almost surely, 2^680662119125 is an apocalyptic number.

It is an amenable number.

680662119125 is a deficient number, since it is larger than the sum of its proper divisors (169800196123).

680662119125 is an equidigital number, since it uses as much as digits as its factorization.

680662119125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6384569 (or 6384559 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 680662119125 in words is "six hundred eighty billion, six hundred sixty-two million, one hundred nineteen thousand, one hundred twenty-five".