1447275238655 has 8 divisors (see below), whose sum is σ = 1762651634352. Its totient is φ = 1140539292288.

The previous prime is 1447275238631. The next prime is 1447275238679. The reversal of 1447275238655 is 5568325727441.

It is an interprime number because it is at equal distance from previous prime (1447275238631) and next prime (1447275238679).

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

It is a cyclic number.

It is not a de Polignac number, because 1447275238655 - 2⁸ = 1447275238399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1447275238594 and 1447275238603.

It is a congruent number.

It is an unprimeable number.

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, 2160111962 + ... + 2160112631.

It is an arithmetic number, because the mean of its divisors is an integer number (220331454294).

Almost surely, 2^{1447275238655} is an apocalyptic number.

1447275238655 is a deficient number, since it is larger than the sum of its proper divisors (315376395697).

1447275238655 is an equidigital number, since it uses as much as digits as its factorization.

1447275238655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4320224665.

The product of its digits is 56448000, while the sum is 59.

The spelling of 1447275238655 in words is "one trillion, four hundred forty-seven billion, two hundred seventy-five million, two hundred thirty-eight thousand, six hundred fifty-five".