12136564154015 has 24 divisors (see below), whose sum is σ = 17049561489792. Its totient is φ = 8269207652160.

The previous prime is 12136564153993. The next prime is 12136564154053. The reversal of 12136564154015 is 51045146563121.

It is not a de Polignac number, because 12136564154015 - 2²⁴ = 12136547376799 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 157722671 + ... + 157799600.

It is an arithmetic number, because the mean of its divisors is an integer number (710398395408).

Almost surely, 2^{12136564154015} is an apocalyptic number.

12136564154015 is a deficient number, since it is larger than the sum of its proper divisors (4912997335777).

12136564154015 is a wasteful number, since it uses less digits than its factorization.

12136564154015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315522447 (or 315522440 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 12136564154015 in words is "twelve trillion, one hundred thirty-six billion, five hundred sixty-four million, one hundred fifty-four thousand, fifteen".