104540204105 has 4 divisors (see below), whose sum is σ = 125448244932. Its totient is φ = 83632163280.

The previous prime is 104540204063. The next prime is 104540204113. The reversal of 104540204105 is 501402045401.

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

It can be written as a sum of positive squares in 2 ways, for example, as 64112265616 + 40427938489 = 253204^2 + 201067^2 .

It is not a de Polignac number, because 104540204105 - 2¹⁴ = 104540187721 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10454020406 + ... + 10454020415.

It is an arithmetic number, because the mean of its divisors is an integer number (31362061233).

Almost surely, 2^104540204105 is an apocalyptic number.

It is an amenable number.

104540204105 is a deficient number, since it is larger than the sum of its proper divisors (20908040827).

104540204105 is an equidigital number, since it uses as much as digits as its factorization.

104540204105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20908040826.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 104540204105 its reverse (501402045401), we get a palindrome (605942249506).

The spelling of 104540204105 in words is "one hundred four billion, five hundred forty million, two hundred four thousand, one hundred five".