12036505125564 has 24 divisors (see below), whose sum is σ = 31205754029520. Its totient is φ = 4012168375152.

The previous prime is 12036505125553. The next prime is 12036505125571. The reversal of 12036505125564 is 46552150563021.

12036505125564 is a `hidden beast` number, since 1 + 2 + 0 + 3 + 65 + 0 + 5 + 1 + 25 + 564 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55724560659 + ... + 55724560874.

It is an arithmetic number, because the mean of its divisors is an integer number (1300239751230).

Almost surely, 2^{12036505125564} is an apocalyptic number.

It is an amenable number.

12036505125564 is an abundant number, since it is smaller than the sum of its proper divisors (19169248903956).

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

12036505125564 is a wasteful number, since it uses less digits than its factorization.

12036505125564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111449121546 (or 111449121538 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 45.

Adding to 12036505125564 its reverse (46552150563021), we get a palindrome (58588655688585).

The spelling of 12036505125564 in words is "twelve trillion, thirty-six billion, five hundred five million, one hundred twenty-five thousand, five hundred sixty-four".