13505008336 has 20 divisors (see below), whose sum is σ = 26317207332. Its totient is φ = 6713470976.

The previous prime is 13505008313. The next prime is 13505008337. The reversal of 13505008336 is 63380050531.

It can be written as a sum of positive squares in 2 ways, for example, as 6525408400 + 6979599936 = 80780^2 + 83544^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13505008337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2436721 + ... + 2442256.

Almost surely, 2^13505008336 is an apocalyptic number.

13505008336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13505008336 is a deficient number, since it is larger than the sum of its proper divisors (12812198996).

13505008336 is a wasteful number, since it uses less digits than its factorization.

13505008336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4879158 (or 4879152 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 13505008336 its reverse (63380050531), we get a palindrome (76885058867).

The spelling of 13505008336 in words is "thirteen billion, five hundred five million, eight thousand, three hundred thirty-six".