10681399979594 has 4 divisors (see below), whose sum is σ = 16022099969394. Its totient is φ = 5340699989796.

The previous prime is 10681399979573. The next prime is 10681399979609. The reversal of 10681399979594 is 49597999318601.

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

It can be written as a sum of positive squares in only one way, i.e., 10592831243569 + 88568736025 = 3254663^2 + 297605^2 .

It is a super-2 number, since 2×10681399979594² (a number of 27 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 2670349994897 + ... + 2670349994900.

Almost surely, 2^{10681399979594} is an apocalyptic number.

10681399979594 is a deficient number, since it is larger than the sum of its proper divisors (5340699989800).

10681399979594 is an equidigital number, since it uses as much as digits as its factorization.

10681399979594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5340699989799.

The product of its (nonzero) digits is 1190427840, while the sum is 80.

The spelling of 10681399979594 in words is "ten trillion, six hundred eighty-one billion, three hundred ninety-nine million, nine hundred seventy-nine thousand, five hundred ninety-four".