27138775016042 has 4 divisors (see below), whose sum is σ = 40708162524066. Its totient is φ = 13569387508020.

The previous prime is 27138775015927. The next prime is 27138775016051. The reversal of 27138775016042 is 24061057783172.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18631058609641 + 8507716406401 = 4316371^2 + 2916799^2 .

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 as a sum of consecutive naturals, namely, 6784693754009 + ... + 6784693754012.

Almost surely, 2^{27138775016042} is an apocalyptic number.

27138775016042 is a deficient number, since it is larger than the sum of its proper divisors (13569387508024).

27138775016042 is a wasteful number, since it uses less digits than its factorization.

27138775016042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13569387508023.

The product of its (nonzero) digits is 3951360, while the sum is 53.

The spelling of 27138775016042 in words is "twenty-seven trillion, one hundred thirty-eight billion, seven hundred seventy-five million, sixteen thousand, forty-two".