13455120113 has 4 divisors (see below), whose sum is σ = 13455445620. Its totient is φ = 13454794608.

The previous prime is 13455120103. The next prime is 13455120127. The reversal of 13455120113 is 31102155431.

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 10910220304 + 2544899809 = 104452^2 + 50447^2 .

It is a cyclic number.

It is not a de Polignac number, because 13455120113 - 2¹⁰ = 13455119089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13455120103) 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, 89870 + ... + 187047.

It is an arithmetic number, because the mean of its divisors is an integer number (3363861405).

Almost surely, 2^13455120113 is an apocalyptic number.

It is an amenable number.

13455120113 is a deficient number, since it is larger than the sum of its proper divisors (325507).

13455120113 is an equidigital number, since it uses as much as digits as its factorization.

13455120113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325506.

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

Adding to 13455120113 its reverse (31102155431), we get a palindrome (44557275544).

The spelling of 13455120113 in words is "thirteen billion, four hundred fifty-five million, one hundred twenty thousand, one hundred thirteen".