27115667137238 has 32 divisors (see below), whose sum is σ = 42277424799456. Its totient is φ = 13032055726848.

The previous prime is 27115667137193. The next prime is 27115667137253. The reversal of 27115667137238 is 83273176651172.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 286003970 + ... + 286098762.

It is an arithmetic number, because the mean of its divisors is an integer number (1321169524983).

Almost surely, 2^{27115667137238} is an apocalyptic number.

27115667137238 is a deficient number, since it is larger than the sum of its proper divisors (15161757662218).

27115667137238 is a wasteful number, since it uses less digits than its factorization.

27115667137238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141488.

The product of its digits is 17781120, while the sum is 59.

The spelling of 27115667137238 in words is "twenty-seven trillion, one hundred fifteen billion, six hundred sixty-seven million, one hundred thirty-seven thousand, two hundred thirty-eight".