12027625521505 has 16 divisors (see below), whose sum is σ = 15748952472000. Its totient is φ = 8745309991360.

The previous prime is 12027625521469. The next prime is 12027625521559. The reversal of 12027625521505 is 50512552672021.

It is a happy number.

It is not a de Polignac number, because 12027625521505 - 2²⁷ = 12027491303777 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25438930 + ... + 25907419.

It is an arithmetic number, because the mean of its divisors is an integer number (984309529500).

Almost surely, 2^{12027625521505} is an apocalyptic number.

It is an amenable number.

12027625521505 is a deficient number, since it is larger than the sum of its proper divisors (3721326950495).

12027625521505 is a wasteful number, since it uses less digits than its factorization.

12027625521505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51350624.

The product of its (nonzero) digits is 420000, while the sum is 43.

The spelling of 12027625521505 in words is "twelve trillion, twenty-seven billion, six hundred twenty-five million, five hundred twenty-one thousand, five hundred five".