104205110082091 has 4 divisors (see below), whose sum is σ = 107021464408672. Its totient is φ = 101388755755512.

The previous prime is 104205110082049. The next prime is 104205110082149. The reversal of 104205110082091 is 190280011502401.

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

It is a cyclic number.

It is not a de Polignac number, because 104205110082091 - 2³⁹ = 103655354268203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104205110082191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1408177163235 + ... + 1408177163308.

It is an arithmetic number, because the mean of its divisors is an integer number (26755366102168).

Almost surely, 2^{104205110082091} is an apocalyptic number.

104205110082091 is a deficient number, since it is larger than the sum of its proper divisors (2816354326581).

104205110082091 is an equidigital number, since it uses as much as digits as its factorization.

104205110082091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816354326580.

The product of its (nonzero) digits is 5760, while the sum is 34.

Adding to 104205110082091 its reverse (190280011502401), we get a palindrome (294485121584492).

The spelling of 104205110082091 in words is "one hundred four trillion, two hundred five billion, one hundred ten million, eighty-two thousand, ninety-one".