109321521801796 has 6 divisors (see below), whose sum is σ = 191312663153150. Its totient is φ = 54660760900896.

The previous prime is 109321521801769. The next prime is 109321521801803. The reversal of 109321521801796 is 697108125123901.

It can be written as a sum of positive squares in only one way, i.e., 100516866156100 + 8804655645696 = 10025810^2 + 2967264^2 .

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, 13665190225221 + ... + 13665190225228.

Almost surely, 2^{109321521801796} is an apocalyptic number.

It is an amenable number.

109321521801796 is a deficient number, since it is larger than the sum of its proper divisors (81991141351354).

109321521801796 is a wasteful number, since it uses less digits than its factorization.

109321521801796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27330380450453 (or 27330380450451 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 55.

The spelling of 109321521801796 in words is "one hundred nine trillion, three hundred twenty-one billion, five hundred twenty-one million, eight hundred one thousand, seven hundred ninety-six".