10004115513221 has 4 divisors (see below), whose sum is σ = 10004161130700. Its totient is φ = 10004069895744.

The previous prime is 10004115513191. The next prime is 10004115513233. The reversal of 10004115513221 is 12231551140001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6419204968225 + 3584910544996 = 2533615^2 + 1893386^2 .

It is a cyclic number.

It is not a de Polignac number, because 10004115513221 - 2⁶ = 10004115513157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10004115513121) 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 3 ways as a sum of consecutive naturals, for example, 22478186 + ... + 22918923.

It is an arithmetic number, because the mean of its divisors is an integer number (2501040282675).

Almost surely, 2^{10004115513221} is an apocalyptic number.

It is an amenable number.

10004115513221 is a deficient number, since it is larger than the sum of its proper divisors (45617479).

10004115513221 is an equidigital number, since it uses as much as digits as its factorization.

10004115513221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45617478.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 10004115513221 its reverse (12231551140001), we get a palindrome (22235666653222).

The spelling of 10004115513221 in words is "ten trillion, four billion, one hundred fifteen million, five hundred thirteen thousand, two hundred twenty-one".