10681917993583 has 4 divisors (see below), whose sum is σ = 11026495993408. Its totient is φ = 10337339993760.

The previous prime is 10681917993563. The next prime is 10681917993601. The reversal of 10681917993583 is 38539971918601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10681917993583 is a prime.

It is a super-2 number, since 2×10681917993583² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10681917993563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172288999866 + ... + 172288999927.

It is an arithmetic number, because the mean of its divisors is an integer number (2756623998352).

Almost surely, 2^{10681917993583} is an apocalyptic number.

10681917993583 is a deficient number, since it is larger than the sum of its proper divisors (344577999825).

10681917993583 is an equidigital number, since it uses as much as digits as its factorization.

10681917993583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344577999824.

The product of its (nonzero) digits is 88179840, while the sum is 70.

The spelling of 10681917993583 in words is "ten trillion, six hundred eighty-one billion, nine hundred seventeen million, nine hundred ninety-three thousand, five hundred eighty-three".