1521141122441 has 2 divisors, whose sum is σ = 1521141122442. Its totient is φ = 1521141122440.

The previous prime is 1521141122359. The next prime is 1521141122453. The reversal of 1521141122441 is 1442211411251.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1518080266816 + 3060855625 = 1232104^2 + 55325^2 .

It is a cyclic number.

It is not a de Polignac number, because 1521141122441 - 2¹⁴ = 1521141106057 is a prime.

It is not a weakly prime, because it can be changed into another prime (1521141122471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760570561220 + 760570561221.

It is an arithmetic number, because the mean of its divisors is an integer number (760570561221).

Almost surely, 2^{1521141122441} is an apocalyptic number.

It is an amenable number.

1521141122441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1521141122441 is an equidigital number, since it uses as much as digits as its factorization.

1521141122441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2560, while the sum is 29.

Adding to 1521141122441 its reverse (1442211411251), we get a palindrome (2963352533692).

The spelling of 1521141122441 in words is "one trillion, five hundred twenty-one billion, one hundred forty-one million, one hundred twenty-two thousand, four hundred forty-one".