27112832158 has 4 divisors (see below), whose sum is σ = 40669248240. Its totient is φ = 13556416078.

The previous prime is 27112832141. The next prime is 27112832203. The reversal of 27112832158 is 85123821172.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 27112832158.

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 as a sum of consecutive naturals, namely, 6778208038 + ... + 6778208041.

It is an arithmetic number, because the mean of its divisors is an integer number (10167312060).

Almost surely, 2^27112832158 is an apocalyptic number.

27112832158 is a deficient number, since it is larger than the sum of its proper divisors (13556416082).

27112832158 is a wasteful number, since it uses less digits than its factorization.

27112832158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13556416081.

The product of its digits is 53760, while the sum is 40.

The spelling of 27112832158 in words is "twenty-seven billion, one hundred twelve million, eight hundred thirty-two thousand, one hundred fifty-eight".