13505250536 has 32 divisors (see below), whose sum is σ = 25817796360. Its totient is φ = 6621576192.

The previous prime is 13505250481. The next prime is 13505250547. The reversal of 13505250536 is 63505250531.

13505250536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12363216100 + 1142034436 = 111190^2 + 33794^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13505250496 and 13505250505.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 34196 + ... + 167868.

Almost surely, 2^13505250536 is an apocalyptic number.

It is an amenable number.

13505250536 is a deficient number, since it is larger than the sum of its proper divisors (12312545824).

13505250536 is a wasteful number, since it uses less digits than its factorization.

13505250536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133925 (or 133921 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 35.

The spelling of 13505250536 in words is "thirteen billion, five hundred five million, two hundred fifty thousand, five hundred thirty-six".