12547287303553 has 8 divisors (see below), whose sum is σ = 12887992241280. Its totient is φ = 12206666000880.

The previous prime is 12547287303539. The next prime is 12547287303581. The reversal of 12547287303553 is 35530378274521.

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-12547287303553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12547287303494 and 12547287303503.

It is not an unprimeable number, because it can be changed into a prime (12547287300553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20604583 + ... + 21204796.

It is an arithmetic number, because the mean of its divisors is an integer number (1610999030160).

Almost surely, 2^{12547287303553} is an apocalyptic number.

It is an amenable number.

12547287303553 is a deficient number, since it is larger than the sum of its proper divisors (340704937727).

12547287303553 is an equidigital number, since it uses as much as digits as its factorization.

12547287303553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41817527.

The product of its (nonzero) digits is 21168000, while the sum is 55.

The spelling of 12547287303553 in words is "twelve trillion, five hundred forty-seven billion, two hundred eighty-seven million, three hundred three thousand, five hundred fifty-three".