27143211072 has 28 divisors (see below), whose sum is σ = 71816413136. Its totient is φ = 9047736960.

The previous prime is 27143211071. The next prime is 27143211091. The reversal of 27143211072 is 27011234172.

It is not an unprimeable number, because it can be changed into a prime (27143211071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70685254 + ... + 70685637.

Almost surely, 2^27143211072 is an apocalyptic number.

It is an amenable number.

27143211072 is an abundant number, since it is smaller than the sum of its proper divisors (44673202064).

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

27143211072 is a wasteful number, since it uses less digits than its factorization.

27143211072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141370906 (or 141370896 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The spelling of 27143211072 in words is "twenty-seven billion, one hundred forty-three million, two hundred eleven thousand, seventy-two".