680126267855 has 8 divisors (see below), whose sum is σ = 816607737600. Its totient is φ = 543796870176.

The previous prime is 680126267827. The next prime is 680126267867. The reversal of 680126267855 is 558762621086.

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

It is a cyclic number.

It is not a de Polignac number, because 680126267855 - 2¹² = 680126263759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 680126267855.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38008175 + ... + 38026064.

It is an arithmetic number, because the mean of its divisors is an integer number (102075967200).

Almost surely, 2^680126267855 is an apocalyptic number.

680126267855 is a deficient number, since it is larger than the sum of its proper divisors (136481469745).

680126267855 is a wasteful number, since it uses less digits than its factorization.

680126267855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76036033.

The product of its (nonzero) digits is 9676800, while the sum is 56.

The spelling of 680126267855 in words is "six hundred eighty billion, one hundred twenty-six million, two hundred sixty-seven thousand, eight hundred fifty-five".