12151105436165 has 8 divisors (see below), whose sum is σ = 14856445892088. Its totient is φ = 9537471436480.

The previous prime is 12151105436149. The next prime is 12151105436189. The reversal of 12151105436165 is 56163450115121.

It can be written as a sum of positive squares in 4 ways, for example, as 362382328324 + 11788723107841 = 601982^2 + 3433471^2 .

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

It is not a de Polignac number, because 12151105436165 - 2⁴ = 12151105436149 is a prime.

It is a super-2 number, since 2×12151105436165² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 22926613766 + ... + 22926614295.

It is an arithmetic number, because the mean of its divisors is an integer number (1857055736511).

Almost surely, 2^{12151105436165} is an apocalyptic number.

It is an amenable number.

12151105436165 is a deficient number, since it is larger than the sum of its proper divisors (2705340455923).

12151105436165 is an equidigital number, since it uses as much as digits as its factorization.

12151105436165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45853228119.

The product of its (nonzero) digits is 108000, while the sum is 41.

The spelling of 12151105436165 in words is "twelve trillion, one hundred fifty-one billion, one hundred five million, four hundred thirty-six thousand, one hundred sixty-five".