27120471905472 has 112 divisors (see below), whose sum is σ = 78283139945472. Its totient is φ = 8217947284480.

The previous prime is 27120471905383. The next prime is 27120471905507. The reversal of 27120471905472 is 27450917402172.

It is an unprimeable number.

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, 47525713 + ... + 48092975.

It is an arithmetic number, because the mean of its divisors is an integer number (698956606656).

Almost surely, 2^{27120471905472} is an apocalyptic number.

27120471905472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27120471905472 is an abundant number, since it is smaller than the sum of its proper divisors (51162668040000).

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

27120471905472 is a wasteful number, since it uses less digits than its factorization.

27120471905472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589926 (or 589916 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 51.

The spelling of 27120471905472 in words is "twenty-seven trillion, one hundred twenty billion, four hundred seventy-one million, nine hundred five thousand, four hundred seventy-two".