1053531415481 has 2 divisors, whose sum is σ = 1053531415482. Its totient is φ = 1053531415480.

The previous prime is 1053531415463. The next prime is 1053531415493. The reversal of 1053531415481 is 1845141353501.

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., 1050914069881 + 2617345600 = 1025141^2 + 51160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1053531415481 is a prime.

It is a super-2 number, since 2×1053531415481² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1053531411481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526765707740 + 526765707741.

It is an arithmetic number, because the mean of its divisors is an integer number (526765707741).

Almost surely, 2^{1053531415481} is an apocalyptic number.

It is an amenable number.

1053531415481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053531415481 is an equidigital number, since it uses as much as digits as its factorization.

1053531415481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 41.

Adding to 1053531415481 its reverse (1845141353501), we get a palindrome (2898672768982).

The spelling of 1053531415481 in words is "one trillion, fifty-three billion, five hundred thirty-one million, four hundred fifteen thousand, four hundred eighty-one".