681080071104 has 84 divisors (see below), whose sum is σ = 1972318914384. Its totient is φ = 224686190592.

The previous prime is 681080071099. The next prime is 681080071109. The reversal of 681080071104 is 401170080186.

It is an interprime number because it is at equal distance from previous prime (681080071099) and next prime (681080071109).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (681080071109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6039132 + ... + 6150875.

It is an arithmetic number, because the mean of its divisors is an integer number (23479987076).

Almost surely, 2^681080071104 is an apocalyptic number.

681080071104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

681080071104 is an abundant number, since it is smaller than the sum of its proper divisors (1291238843280).

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

681080071104 is a wasteful number, since it uses less digits than its factorization.

681080071104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12190122 (or 12190109 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The spelling of 681080071104 in words is "six hundred eighty-one billion, eighty million, seventy-one thousand, one hundred four".