27109346012385 has 64 divisors (see below), whose sum is σ = 53393990469120. Its totient is φ = 11437527029760.

The previous prime is 27109346012383. The next prime is 27109346012407. The reversal of 27109346012385 is 58321064390172.

It is not a de Polignac number, because 27109346012385 - 2¹ = 27109346012383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27109346012383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5986525 + ... + 9489845.

It is an arithmetic number, because the mean of its divisors is an integer number (834281101080).

It is a 1-persistent number, because it is pandigital, but 2⋅27109346012385 = 54218692024770 is not.

Almost surely, 2^{27109346012385} is an apocalyptic number.

It is an amenable number.

27109346012385 is a deficient number, since it is larger than the sum of its proper divisors (26284644456735).

27109346012385 is a wasteful number, since it uses less digits than its factorization.

27109346012385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3509018.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 27109346012385 in words is "twenty-seven trillion, one hundred nine billion, three hundred forty-six million, twelve thousand, three hundred eighty-five".