10991707860793 has 16 divisors (see below), whose sum is σ = 12152695868352. Its totient is φ = 9940687046400.

The previous prime is 10991707860767. The next prime is 10991707860803. The reversal of 10991707860793 is 39706870719901.

It is not a de Polignac number, because 10991707860793 - 2¹⁷ = 10991707729721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10991707863793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21137503 + ... + 21651268.

It is an arithmetic number, because the mean of its divisors is an integer number (759543491772).

Almost surely, 2^{10991707860793} is an apocalyptic number.

It is an amenable number.

10991707860793 is a deficient number, since it is larger than the sum of its proper divisors (1160988007559).

10991707860793 is an equidigital number, since it uses as much as digits as its factorization.

10991707860793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42788997 (or 42788975 counting only the distinct ones).

The product of its (nonzero) digits is 36006768, while the sum is 67.

The spelling of 10991707860793 in words is "ten trillion, nine hundred ninety-one billion, seven hundred seven million, eight hundred sixty thousand, seven hundred ninety-three".