14524231252221 has 10 divisors (see below), whose sum is σ = 21696691129982. Its totient is φ = 9682820834760.

The previous prime is 14524231252183. The next prime is 14524231252253. The reversal of 14524231252221 is 12225213242541.

14524231252221 is a `hidden beast` number, since 1 + 4 + 5 + 2 + 423 + 1 + 2 + 5 + 2 + 221 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14280576471225 + 243654780996 = 3778965^2 + 493614^2 .

It is not a de Polignac number, because 14524231252221 - 2¹⁴ = 14524231235837 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 (14524231251221) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 89655748390 + ... + 89655748551.

Almost surely, 2^{14524231252221} is an apocalyptic number.

It is an amenable number.

14524231252221 is a deficient number, since it is larger than the sum of its proper divisors (7172459877761).

14524231252221 is an equidigital number, since it uses as much as digits as its factorization.

14524231252221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179311496953 (or 179311496944 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

Adding to 14524231252221 its reverse (12225213242541), we get a palindrome (26749444494762).

The spelling of 14524231252221 in words is "fourteen trillion, five hundred twenty-four billion, two hundred thirty-one million, two hundred fifty-two thousand, two hundred twenty-one".