13511341205 has 4 divisors (see below), whose sum is σ = 16213609452. Its totient is φ = 10809072960.

The previous prime is 13511341201. The next prime is 13511341241. The reversal of 13511341205 is 50214311531.

13511341205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2290388164 + 11220953041 = 47858^2 + 105929^2 .

It is not a de Polignac number, because 13511341205 - 2² = 13511341201 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13511341201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1351134116 + ... + 1351134125.

It is an arithmetic number, because the mean of its divisors is an integer number (4053402363).

Almost surely, 2^13511341205 is an apocalyptic number.

It is an amenable number.

13511341205 is a deficient number, since it is larger than the sum of its proper divisors (2702268247).

13511341205 is an equidigital number, since it uses as much as digits as its factorization.

13511341205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702268246.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 13511341205 its reverse (50214311531), we get a palindrome (63725652736).

The spelling of 13511341205 in words is "thirteen billion, five hundred eleven million, three hundred forty-one thousand, two hundred five".