1004115563 has 8 divisors (see below), whose sum is σ = 1095655680. Its totient is φ = 912618280.

The previous prime is 1004115551. The next prime is 1004115587. The reversal of 1004115563 is 3655114001.

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 1004115563 - 2⁴ = 1004115547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1004175563) 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, 56906 + ... + 72432.

It is an arithmetic number, because the mean of its divisors is an integer number (136956960).

Almost surely, 2^1004115563 is an apocalyptic number.

1004115563 is a deficient number, since it is larger than the sum of its proper divisors (91540117).

1004115563 is a wasteful number, since it uses less digits than its factorization.

1004115563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21417.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1004115563 is about 31687.7825510085. The cubic root of 1004115563 is about 1001.3699766403.

Adding to 1004115563 its reverse (3655114001), we get a palindrome (4659229564).

The spelling of 1004115563 in words is "one billion, four million, one hundred fifteen thousand, five hundred sixty-three".