13040535512 has 32 divisors (see below), whose sum is σ = 24551953200. Its totient is φ = 6493390464.

The previous prime is 13040535503. The next prime is 13040535517. The reversal of 13040535512 is 21553504031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13040535517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3683039 + ... + 3686577.

Almost surely, 2^13040535512 is an apocalyptic number.

It is an amenable number.

13040535512 is a deficient number, since it is larger than the sum of its proper divisors (11511417688).

13040535512 is a wasteful number, since it uses less digits than its factorization.

13040535512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5315 (or 5311 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 13040535512 in words is "thirteen billion, forty million, five hundred thirty-five thousand, five hundred twelve".