104065205011 has 4 divisors (see below), whose sum is σ = 104083626024. Its totient is φ = 104046784000.

The previous prime is 104065204981. The next prime is 104065205017. The reversal of 104065205011 is 110502560401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110502560401 = 1613 ⋅68507477.

It is a cyclic number.

It is not a de Polignac number, because 104065205011 - 2⁵ = 104065204979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104065205017) 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, 9202030 + ... + 9213331.

It is an arithmetic number, because the mean of its divisors is an integer number (26020906506).

Almost surely, 2^104065205011 is an apocalyptic number.

104065205011 is a deficient number, since it is larger than the sum of its proper divisors (18421013).

104065205011 is an equidigital number, since it uses as much as digits as its factorization.

104065205011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18421012.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 104065205011 its reverse (110502560401), we get a palindrome (214567765412).

The spelling of 104065205011 in words is "one hundred four billion, sixty-five million, two hundred five thousand, eleven".