13841148505 has 4 divisors (see below), whose sum is σ = 16609378212. Its totient is φ = 11072918800.

The previous prime is 13841148499. The next prime is 13841148509. The reversal of 13841148505 is 50584114831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50584114831 = 137831 ⋅367001.

It can be written as a sum of positive squares in 2 ways, for example, as 6380335129 + 7460813376 = 79877^2 + 86376^2 .

It is not a de Polignac number, because 13841148505 - 2⁵ = 13841148473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13841148509) 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, 1384114846 + ... + 1384114855.

It is an arithmetic number, because the mean of its divisors is an integer number (4152344553).

Almost surely, 2^13841148505 is an apocalyptic number.

It is an amenable number.

13841148505 is a deficient number, since it is larger than the sum of its proper divisors (2768229707).

13841148505 is an equidigital number, since it uses as much as digits as its factorization.

13841148505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768229706.

The product of its (nonzero) digits is 76800, while the sum is 40.

The spelling of 13841148505 in words is "thirteen billion, eight hundred forty-one million, one hundred forty-eight thousand, five hundred five".