27145340179395 has 128 divisors (see below), whose sum is σ = 49236653260800. Its totient is φ = 12689154496512.

The previous prime is 27145340179393. The next prime is 27145340179409. The reversal of 27145340179395 is 59397104354172.

It is not a de Polignac number, because 27145340179395 - 2¹ = 27145340179393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27145340179393) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 86729172 + ... + 87041598.

It is an arithmetic number, because the mean of its divisors is an integer number (384661353600).

Almost surely, 2^{27145340179395} is an apocalyptic number.

27145340179395 is a deficient number, since it is larger than the sum of its proper divisors (22091313081405).

27145340179395 is a wasteful number, since it uses less digits than its factorization.

27145340179395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312777.

The product of its (nonzero) digits is 28576800, while the sum is 60.

The spelling of 27145340179395 in words is "twenty-seven trillion, one hundred forty-five billion, three hundred forty million, one hundred seventy-nine thousand, three hundred ninety-five".