15244121441 has 2 divisors, whose sum is σ = 15244121442. Its totient is φ = 15244121440.

The previous prime is 15244121429. The next prime is 15244121483. The reversal of 15244121441 is 14412144251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9667019041 + 5577102400 = 98321^2 + 74680^2 .

It is a cyclic number.

It is not a de Polignac number, because 15244121441 - 2²⁶ = 15177012577 is a prime.

It is not a weakly prime, because it can be changed into another prime (15244141441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7622060720 + 7622060721.

It is an arithmetic number, because the mean of its divisors is an integer number (7622060721).

Almost surely, 2^15244121441 is an apocalyptic number.

It is an amenable number.

15244121441 is a deficient number, since it is larger than the sum of its proper divisors (1).

15244121441 is an equidigital number, since it uses as much as digits as its factorization.

15244121441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5120, while the sum is 29.

Adding to 15244121441 its reverse (14412144251), we get a palindrome (29656265692).

The spelling of 15244121441 in words is "fifteen billion, two hundred forty-four million, one hundred twenty-one thousand, four hundred forty-one".