680101107138 has 16 divisors (see below), whose sum is σ = 1511335793760. Its totient is φ = 226700369028.

The previous prime is 680101107089. The next prime is 680101107149. The reversal of 680101107138 is 831701101086.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6297232420 + ... + 6297232527.

It is an arithmetic number, because the mean of its divisors is an integer number (94458487110).

Almost surely, 2^680101107138 is an apocalyptic number.

680101107138 is an abundant number, since it is smaller than the sum of its proper divisors (831234686622).

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

680101107138 is a wasteful number, since it uses less digits than its factorization.

680101107138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12594464958 (or 12594464952 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The spelling of 680101107138 in words is "six hundred eighty billion, one hundred one million, one hundred seven thousand, one hundred thirty-eight".