12256503511166 has 8 divisors (see below), whose sum is σ = 18606258342504. Its totient is φ = 6054417397000.

The previous prime is 12256503511159. The next prime is 12256503511199. The reversal of 12256503511166 is 66111530565221.

12256503511166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36917179085 + ... + 36917179416.

It is an arithmetic number, because the mean of its divisors is an integer number (2325782292813).

Almost surely, 2^{12256503511166} is an apocalyptic number.

12256503511166 is a deficient number, since it is larger than the sum of its proper divisors (6349754831338).

12256503511166 is an equidigital number, since it uses as much as digits as its factorization.

12256503511166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73834358586.

The product of its (nonzero) digits is 324000, while the sum is 44.

The spelling of 12256503511166 in words is "twelve trillion, two hundred fifty-six billion, five hundred three million, five hundred eleven thousand, one hundred sixty-six".