13530110261 has 4 divisors (see below), whose sum is σ = 13844764032. Its totient is φ = 13215456492.

The previous prime is 13530110233. The next prime is 13530110287. The reversal of 13530110261 is 16201103531.

13530110261 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13530110261 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 (13530110761) 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, 157326821 + ... + 157326906.

It is an arithmetic number, because the mean of its divisors is an integer number (3461191008).

Almost surely, 2^13530110261 is an apocalyptic number.

It is an amenable number.

13530110261 is a deficient number, since it is larger than the sum of its proper divisors (314653771).

13530110261 is an equidigital number, since it uses as much as digits as its factorization.

13530110261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314653770.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 13530110261 its reverse (16201103531), we get a palindrome (29731213792).

The spelling of 13530110261 in words is "thirteen billion, five hundred thirty million, one hundred ten thousand, two hundred sixty-one".