104820050405 has 16 divisors (see below), whose sum is σ = 143767737984. Its totient is φ = 71869343040.

The previous prime is 104820050393. The next prime is 104820050407. The reversal of 104820050405 is 504050028401.

It is a de Polignac number, because none of the positive numbers 2^k-104820050405 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 (104820050407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212315 + ... + 504695.

It is an arithmetic number, because the mean of its divisors is an integer number (8985483624).

Almost surely, 2^104820050405 is an apocalyptic number.

It is an amenable number.

104820050405 is a deficient number, since it is larger than the sum of its proper divisors (38947687579).

104820050405 is a wasteful number, since it uses less digits than its factorization.

104820050405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302636.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 104820050405 its reverse (504050028401), we get a palindrome (608870078806).

The spelling of 104820050405 in words is "one hundred four billion, eight hundred twenty million, fifty thousand, four hundred five".