13525511441 has 4 divisors (see below), whose sum is σ = 14565935412. Its totient is φ = 12485087472.

The previous prime is 13525511387. The next prime is 13525511453. The reversal of 13525511441 is 14411552531.

13525511441 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 an emirpimes, since its reverse is a distinct semiprime: 14411552531 = 7529 ⋅1914139.

It can be written as a sum of positive squares in 2 ways, for example, as 7978241041 + 5547270400 = 89321^2 + 74480^2 .

It is not a de Polignac number, because 13525511441 - 2¹⁰ = 13525510417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13525511398 and 13525511407.

It is not an unprimeable number, because it can be changed into a prime (13525511941) 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, 520211966 + ... + 520211991.

It is an arithmetic number, because the mean of its divisors is an integer number (3641483853).

Almost surely, 2^13525511441 is an apocalyptic number.

It is an amenable number.

13525511441 is a deficient number, since it is larger than the sum of its proper divisors (1040423971).

13525511441 is a wasteful number, since it uses less digits than its factorization.

13525511441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040423970.

The product of its digits is 12000, while the sum is 32.

The spelling of 13525511441 in words is "thirteen billion, five hundred twenty-five million, five hundred eleven thousand, four hundred forty-one".