13532021105 has 4 divisors (see below), whose sum is σ = 16238425332. Its totient is φ = 10825616880.

The previous prime is 13532021099. The next prime is 13532021161. The reversal of 13532021105 is 50112023531.

It is a happy number.

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 4846526689 + 8685494416 = 69617^2 + 93196^2 .

It is not a de Polignac number, because 13532021105 - 2¹⁰ = 13532020081 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1353202106 + ... + 1353202115.

It is an arithmetic number, because the mean of its divisors is an integer number (4059606333).

Almost surely, 2^13532021105 is an apocalyptic number.

It is an amenable number.

13532021105 is a deficient number, since it is larger than the sum of its proper divisors (2706404227).

13532021105 is an equidigital number, since it uses as much as digits as its factorization.

13532021105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706404226.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 13532021105 its reverse (50112023531), we get a palindrome (63644044636).

The spelling of 13532021105 in words is "thirteen billion, five hundred thirty-two million, twenty-one thousand, one hundred five".