104044112513 has 4 divisors (see below), whose sum is σ = 113502668208. Its totient is φ = 94585556820.

The previous prime is 104044112509. The next prime is 104044112561. The reversal of 104044112513 is 315211440401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 104044112513 - 2² = 104044112509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104044112503) 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, 4729277831 + ... + 4729277852.

It is an arithmetic number, because the mean of its divisors is an integer number (28375667052).

Almost surely, 2^104044112513 is an apocalyptic number.

It is an amenable number.

104044112513 is a deficient number, since it is larger than the sum of its proper divisors (9458555695).

104044112513 is an equidigital number, since it uses as much as digits as its factorization.

104044112513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9458555694.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 104044112513 its reverse (315211440401), we get a palindrome (419255552914).

The spelling of 104044112513 in words is "one hundred four billion, forty-four million, one hundred twelve thousand, five hundred thirteen".