1447788148271 has 8 divisors (see below), whose sum is σ = 1451156192640. Its totient is φ = 1444420423512.

The previous prime is 1447788148259. The next prime is 1447788148297. The reversal of 1447788148271 is 1728418877441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1447788148271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1447788148231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10663016 + ... + 10797938.

It is an arithmetic number, because the mean of its divisors is an integer number (181394524080).

Almost surely, 2^{1447788148271} is an apocalyptic number.

1447788148271 is a deficient number, since it is larger than the sum of its proper divisors (3368044369).

1447788148271 is a wasteful number, since it uses less digits than its factorization.

1447788148271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159805.

The product of its digits is 22478848, while the sum is 62.

The spelling of 1447788148271 in words is "one trillion, four hundred forty-seven billion, seven hundred eighty-eight million, one hundred forty-eight thousand, two hundred seventy-one".