13531315245 has 16 divisors (see below), whose sum is σ = 24742976640. Its totient is φ = 6185744064.

The previous prime is 13531315211. The next prime is 13531315247. The reversal of 13531315245 is 54251313531.

It is not a de Polignac number, because 13531315245 - 2¹⁰ = 13531314221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531315247) 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, 64434730 + ... + 64434939.

It is an arithmetic number, because the mean of its divisors is an integer number (1546436040).

Almost surely, 2^13531315245 is an apocalyptic number.

13531315245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13531315245 is a deficient number, since it is larger than the sum of its proper divisors (11211661395).

13531315245 is a wasteful number, since it uses less digits than its factorization.

13531315245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128869684.

The product of its digits is 27000, while the sum is 33.

Adding to 13531315245 its reverse (54251313531), we get a palindrome (67782628776).

The spelling of 13531315245 in words is "thirteen billion, five hundred thirty-one million, three hundred fifteen thousand, two hundred forty-five".