109398211609601 has 8 divisors (see below), whose sum is σ = 113182077973800. Its totient is φ = 105615112861440.

The previous prime is 109398211609541. The next prime is 109398211609637. The reversal of 109398211609601 is 106906112893901.

It is a Cunningham number, because it is equal to 10459360²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 57365778960400 + 52032432649201 = 7574020^2 + 7213351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109398211609601 - 2¹⁰ = 109398211608577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109398211609681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191614040 + ... + 192184121.

It is an arithmetic number, because the mean of its divisors is an integer number (14147759746725).

Almost surely, 2^{109398211609601} is an apocalyptic number.

It is an amenable number.

109398211609601 is a deficient number, since it is larger than the sum of its proper divisors (3783866364199).

109398211609601 is an equidigital number, since it uses as much as digits as its factorization.

109398211609601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383808019.

The product of its (nonzero) digits is 1259712, while the sum is 56.

The spelling of 109398211609601 in words is "one hundred nine trillion, three hundred ninety-eight billion, two hundred eleven million, six hundred nine thousand, six hundred one".