27143521712 has 40 divisors (see below), whose sum is σ = 52856414592. Its totient is φ = 13503283200.

The previous prime is 27143521709. The next prime is 27143521729. The reversal of 27143521712 is 21712534172.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4071662 + ... + 4078322.

Almost surely, 2^27143521712 is an apocalyptic number.

It is an amenable number.

27143521712 is a deficient number, since it is larger than the sum of its proper divisors (25712892880).

27143521712 is a wasteful number, since it uses less digits than its factorization.

27143521712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7917 (or 7911 counting only the distinct ones).

The product of its digits is 23520, while the sum is 35.

The spelling of 27143521712 in words is "twenty-seven billion, one hundred forty-three million, five hundred twenty-one thousand, seven hundred twelve".