15243401552441 has 2 divisors, whose sum is σ = 15243401552442. Its totient is φ = 15243401552440.

The previous prime is 15243401552419. The next prime is 15243401552459. The reversal of 15243401552441 is 14425510434251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12180100000000 + 3063301552441 = 3490000^2 + 1750229^2 .

It is a cyclic number.

It is not a de Polignac number, because 15243401552441 - 2²⁶ = 15243334443577 is a prime.

It is a super-2 number, since 2×15243401552441² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15243401552641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7621700776220 + 7621700776221.

It is an arithmetic number, because the mean of its divisors is an integer number (7621700776221).

Almost surely, 2^{15243401552441} is an apocalyptic number.

It is an amenable number.

15243401552441 is a deficient number, since it is larger than the sum of its proper divisors (1).

15243401552441 is an equidigital number, since it uses as much as digits as its factorization.

15243401552441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384000, while the sum is 41.

Adding to 15243401552441 its reverse (14425510434251), we get a palindrome (29668911986692).

The spelling of 15243401552441 in words is "fifteen trillion, two hundred forty-three billion, four hundred one million, five hundred fifty-two thousand, four hundred forty-one".