12156051163255 has 16 divisors (see below), whose sum is σ = 14685414408000. Its totient is φ = 9659407829760.

The previous prime is 12156051163213. The next prime is 12156051163313. The reversal of 12156051163255 is 55236115065121.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-12156051163255 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61556875 + ... + 61754035.

It is an arithmetic number, because the mean of its divisors is an integer number (917838400500).

Almost surely, 2^{12156051163255} is an apocalyptic number.

12156051163255 is a deficient number, since it is larger than the sum of its proper divisors (2529363244745).

12156051163255 is a wasteful number, since it uses less digits than its factorization.

12156051163255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280074.

The product of its (nonzero) digits is 270000, while the sum is 43.

The spelling of 12156051163255 in words is "twelve trillion, one hundred fifty-six billion, fifty-one million, one hundred sixty-three thousand, two hundred fifty-five".