27130375556 has 12 divisors (see below), whose sum is σ = 47479411980. Its totient is φ = 13564829280.

The previous prime is 27130375553. The next prime is 27130375561. The reversal of 27130375556 is 65557303172.

It can be written as a sum of positive squares in 2 ways, for example, as 10937813056 + 16192562500 = 104584^2 + 127250^2 .

It is not an unprimeable number, because it can be changed into a prime (27130375553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154586 + ... + 279566.

It is an arithmetic number, because the mean of its divisors is an integer number (3956617665).

Almost surely, 2^27130375556 is an apocalyptic number.

It is an amenable number.

27130375556 is a deficient number, since it is larger than the sum of its proper divisors (20349036424).

27130375556 is a wasteful number, since it uses less digits than its factorization.

27130375556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179254 (or 179252 counting only the distinct ones).

The product of its (nonzero) digits is 661500, while the sum is 44.

The spelling of 27130375556 in words is "twenty-seven billion, one hundred thirty million, three hundred seventy-five thousand, five hundred fifty-six".