13531110445 has 16 divisors (see below), whose sum is σ = 16522416000. Its totient is φ = 10635052608.

The previous prime is 13531110443. The next prime is 13531110497. The reversal of 13531110445 is 54401113531.

It is a cyclic number.

It is not a de Polignac number, because 13531110445 - 2¹ = 13531110443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531110443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514936 + ... + 540574.

It is an arithmetic number, because the mean of its divisors is an integer number (1032651000).

Almost surely, 2^13531110445 is an apocalyptic number.

It is an amenable number.

13531110445 is a deficient number, since it is larger than the sum of its proper divisors (2991305555).

13531110445 is a wasteful number, since it uses less digits than its factorization.

13531110445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27492.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 13531110445 its reverse (54401113531), we get a palindrome (67932223976).

The spelling of 13531110445 in words is "thirteen billion, five hundred thirty-one million, one hundred ten thousand, four hundred forty-five".