27111769152 has 112 divisors (see below), whose sum is σ = 78518016192. Its totient is φ = 8205281280.

The previous prime is 27111769151. The next prime is 27111769159. The reversal of 27111769152 is 25196711172.

It is not an unprimeable number, because it can be changed into a prime (27111769151) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 63223 + ... + 241289.

It is an arithmetic number, because the mean of its divisors is an integer number (701053716).

Almost surely, 2^27111769152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27111769152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39259008096).

27111769152 is an abundant number, since it is smaller than the sum of its proper divisors (51406247040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27111769152 is a wasteful number, since it uses less digits than its factorization.

27111769152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178156 (or 178146 counting only the distinct ones).

The product of its digits is 52920, while the sum is 42.

The spelling of 27111769152 in words is "twenty-seven billion, one hundred eleven million, seven hundred sixty-nine thousand, one hundred fifty-two".