1004242554505 has 8 divisors (see below), whose sum is σ = 1216146947400. Its totient is φ = 796023455616.

The previous prime is 1004242554499. The next prime is 1004242554527. The reversal of 1004242554505 is 5054552424001.

It can be written as a sum of positive squares in 4 ways, for example, as 1704946681 + 1002537607824 = 41291^2 + 1001268^2 .

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-1004242554505 is a prime.

It is an unprimeable number.

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, 921322900 + ... + 921323989.

It is an arithmetic number, because the mean of its divisors is an integer number (152018368425).

Almost surely, 2^{1004242554505} is an apocalyptic number.

It is an amenable number.

1004242554505 is a deficient number, since it is larger than the sum of its proper divisors (211904392895).

1004242554505 is a wasteful number, since it uses less digits than its factorization.

1004242554505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842647003.

The product of its (nonzero) digits is 160000, while the sum is 37.

Adding to 1004242554505 its reverse (5054552424001), we get a palindrome (6058794978506).

The spelling of 1004242554505 in words is "one trillion, four billion, two hundred forty-two million, five hundred fifty-four thousand, five hundred five".