27118668542 has 16 divisors (see below), whose sum is σ = 46506576480. Its totient is φ = 11617928928.

The previous prime is 27118668503. The next prime is 27118668571. The reversal of 27118668542 is 24586681172.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324317 + ... + 399272.

It is an arithmetic number, because the mean of its divisors is an integer number (2906661030).

Almost surely, 2^27118668542 is an apocalyptic number.

27118668542 is a deficient number, since it is larger than the sum of its proper divisors (19387907938).

27118668542 is a wasteful number, since it uses less digits than its factorization.

27118668542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726275.

The product of its digits is 1290240, while the sum is 50.

The spelling of 27118668542 in words is "twenty-seven billion, one hundred eighteen million, six hundred sixty-eight thousand, five hundred forty-two".