11512536513464 has 128 divisors (see below), whose sum is σ = 24974993433600. Its totient is φ = 4873340989440.

The previous prime is 11512536513421. The next prime is 11512536513481. The reversal of 11512536513464 is 46431563521511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1328007722 + ... + 1328016390.

It is an arithmetic number, because the mean of its divisors is an integer number (195117136200).

Almost surely, 2^{11512536513464} is an apocalyptic number.

11512536513464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11512536513464 is an abundant number, since it is smaller than the sum of its proper divisors (13462456920136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11512536513464 is a wasteful number, since it uses less digits than its factorization.

11512536513464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9733 (or 9729 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 47.

The spelling of 11512536513464 in words is "eleven trillion, five hundred twelve billion, five hundred thirty-six million, five hundred thirteen thousand, four hundred sixty-four".