109790789172101 has 8 divisors (see below), whose sum is σ = 113039300102424. Its totient is φ = 106557077836800.

The previous prime is 109790789172089. The next prime is 109790789172167. The reversal of 109790789172101 is 101271987097901.

It is a Cunningham number, because it is equal to 10478110²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 98242312299076 + 11548476873025 = 9911726^2 + 3398305^2 .

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 109790789172101 - 2¹⁸ = 109790788909957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109790789172401) 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, 3699883700 + ... + 3699913373.

It is an arithmetic number, because the mean of its divisors is an integer number (14129912512803).

Almost surely, 2^{109790789172101} is an apocalyptic number.

It is an amenable number.

109790789172101 is a deficient number, since it is larger than the sum of its proper divisors (3248510930323).

109790789172101 is an equidigital number, since it uses as much as digits as its factorization.

109790789172101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7399797511.

The product of its (nonzero) digits is 4000752, while the sum is 62.

The spelling of 109790789172101 in words is "one hundred nine trillion, seven hundred ninety billion, seven hundred eighty-nine million, one hundred seventy-two thousand, one hundred one".