13523042522 has 40 divisors (see below), whose sum is σ = 22567936500. Its totient is φ = 6076600640.

The previous prime is 13523042521. The next prime is 13523042543. The reversal of 13523042522 is 22524032531.

It can be written as a sum of positive squares in 2 ways, for example, as 13521270961 + 1771561 = 116281^2 + 1331^2 .

It is not an unprimeable number, because it can be changed into a prime (13523042521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2603504 + ... + 2608692.

Almost surely, 2^13523042522 is an apocalyptic number.

13523042522 is a deficient number, since it is larger than the sum of its proper divisors (9044893978).

13523042522 is an frugal number, since it uses more digits than its factorization.

13523042522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5324 (or 5291 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Subtracting 13523042522 from its reverse (22524032531), we obtain a palindrome (9000990009).

The spelling of 13523042522 in words is "thirteen billion, five hundred twenty-three million, forty-two thousand, five hundred twenty-two".