11500010562221 has 8 divisors (see below), whose sum is σ = 12000045879360. Its totient is φ = 10999978149952.

The previous prime is 11500010562203. The next prime is 11500010562223. The reversal of 11500010562221 is 12226501000511.

11500010562221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11500010562221 - 2¹⁰ = 11500010561197 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 (11500010562223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12451490 + ... + 13343148.

It is an arithmetic number, because the mean of its divisors is an integer number (1500005734920).

Almost surely, 2^{11500010562221} is an apocalyptic number.

It is an amenable number.

11500010562221 is a deficient number, since it is larger than the sum of its proper divisors (500035317139).

11500010562221 is an equidigital number, since it uses as much as digits as its factorization.

11500010562221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452435.

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

Adding to 11500010562221 its reverse (12226501000511), we get a palindrome (23726511562732).

The spelling of 11500010562221 in words is "eleven trillion, five hundred billion, ten million, five hundred sixty-two thousand, two hundred twenty-one".