11430251325221 has 8 divisors (see below), whose sum is σ = 12268408353624. Its totient is φ = 10610515330560.

The previous prime is 11430251325197. The next prime is 11430251325263. The reversal of 11430251325221 is 12252315203411.

It can be written as a sum of positive squares in 4 ways, for example, as 889748860225 + 10540502464996 = 943265^2 + 3246614^2 .

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 11430251325221 - 2¹⁰ = 11430251324197 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 (11430251327221) 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, 4605257150 + ... + 4605259631.

It is an arithmetic number, because the mean of its divisors is an integer number (1533551044203).

Almost surely, 2^{11430251325221} is an apocalyptic number.

It is an amenable number.

11430251325221 is a deficient number, since it is larger than the sum of its proper divisors (838157028403).

11430251325221 is an equidigital number, since it uses as much as digits as its factorization.

11430251325221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9210516871.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 11430251325221 its reverse (12252315203411), we get a palindrome (23682566528632).

The spelling of 11430251325221 in words is "eleven trillion, four hundred thirty billion, two hundred fifty-one million, three hundred twenty-five thousand, two hundred twenty-one".