12536164643530 has 16 divisors (see below), whose sum is σ = 24616468754784. Its totient is φ = 4558605324880.

The previous prime is 12536164643491. The next prime is 12536164643539. The reversal of 12536164643530 is 3534646163521.

It is not an unprimeable number, because it can be changed into a prime (12536164643539) 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, 56982566452 + ... + 56982566671.

It is an arithmetic number, because the mean of its divisors is an integer number (1538529297174).

Almost surely, 2^{12536164643530} is an apocalyptic number.

12536164643530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12536164643530 is a deficient number, since it is larger than the sum of its proper divisors (12080304111254).

12536164643530 is a wasteful number, since it uses less digits than its factorization.

12536164643530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113965133141.

The product of its (nonzero) digits is 4665600, while the sum is 49.

The spelling of 12536164643530 in words is "twelve trillion, five hundred thirty-six billion, one hundred sixty-four million, six hundred forty-three thousand, five hundred thirty".