1047644131055 has 8 divisors (see below), whose sum is σ = 1257188960400. Its totient is φ = 838104636096.

The previous prime is 1047644130997. The next prime is 1047644131109. The reversal of 1047644131055 is 5501314467401.

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-1047644131055 is a prime.

It is a congruent number.

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, 887990 + ... + 1698179.

It is an arithmetic number, because the mean of its divisors is an integer number (157148620050).

Almost surely, 2^{1047644131055} is an apocalyptic number.

1047644131055 is a deficient number, since it is larger than the sum of its proper divisors (209544829345).

1047644131055 is an equidigital number, since it uses as much as digits as its factorization.

1047644131055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667193.

The product of its (nonzero) digits is 201600, while the sum is 41.

Adding to 1047644131055 its reverse (5501314467401), we get a palindrome (6548958598456).

The spelling of 1047644131055 in words is "one trillion, forty-seven billion, six hundred forty-four million, one hundred thirty-one thousand, fifty-five".