13141345455505 has 4 divisors (see below), whose sum is σ = 15769614546612. Its totient is φ = 10513076364400.

The previous prime is 13141345455503. The next prime is 13141345455533. The reversal of 13141345455505 is 50555454314131.

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 8100786131344 + 5040559324161 = 2846188^2 + 2245119^2 .

It is not a de Polignac number, because 13141345455505 - 2¹ = 13141345455503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13141345455503) 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, 1314134545546 + ... + 1314134545555.

It is an arithmetic number, because the mean of its divisors is an integer number (3942403636653).

Almost surely, 2^{13141345455505} is an apocalyptic number.

It is an amenable number.

13141345455505 is a deficient number, since it is larger than the sum of its proper divisors (2628269091107).

13141345455505 is an equidigital number, since it uses as much as digits as its factorization.

13141345455505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628269091106.

The product of its (nonzero) digits is 1800000, while the sum is 46.

Adding to 13141345455505 its reverse (50555454314131), we get a palindrome (63696799769636).

The spelling of 13141345455505 in words is "thirteen trillion, one hundred forty-one billion, three hundred forty-five million, four hundred fifty-five thousand, five hundred five".