104505315919 has 4 divisors (see below), whose sum is σ = 106276592520. Its totient is φ = 102734039320.

The previous prime is 104505315911. The next prime is 104505315923. The reversal of 104505315919 is 919513505401.

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 104505315919 - 2³ = 104505315911 is a prime.

It is a super-2 number, since 2×104505315919² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104505315911) 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, 885638212 + ... + 885638329.

It is an arithmetic number, because the mean of its divisors is an integer number (26569148130).

Almost surely, 2^104505315919 is an apocalyptic number.

104505315919 is a deficient number, since it is larger than the sum of its proper divisors (1771276601).

104505315919 is an equidigital number, since it uses as much as digits as its factorization.

104505315919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771276600.

The product of its (nonzero) digits is 121500, while the sum is 43.

The spelling of 104505315919 in words is "one hundred four billion, five hundred five million, three hundred fifteen thousand, nine hundred nineteen".