27551801068 has 48 divisors (see below), whose sum is σ = 54011266848. Its totient is φ = 12188736000.

The previous prime is 27551801003. The next prime is 27551801159. The reversal of 27551801068 is 86010815572.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741346 + ... + 777622.

It is an arithmetic number, because the mean of its divisors is an integer number (1125234726).

Almost surely, 2^27551801068 is an apocalyptic number.

It is an amenable number.

27551801068 is a deficient number, since it is larger than the sum of its proper divisors (26459465780).

27551801068 is a wasteful number, since it uses less digits than its factorization.

27551801068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36754 (or 36752 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 43.

The spelling of 27551801068 in words is "twenty-seven billion, five hundred fifty-one million, eight hundred one thousand, sixty-eight".