45053153521 has 2 divisors, whose sum is σ = 45053153522. Its totient is φ = 45053153520.

The previous prime is 45053153513. The next prime is 45053153611. The reversal of 45053153521 is 12535135054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42068061025 + 2985092496 = 205105^2 + 54636^2 .

It is a cyclic number.

It is not a de Polignac number, because 45053153521 - 2³ = 45053153513 is a prime.

It is not a weakly prime, because it can be changed into another prime (45053159521) 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, 22526576760 + 22526576761.

It is an arithmetic number, because the mean of its divisors is an integer number (22526576761).

Almost surely, 2^45053153521 is an apocalyptic number.

It is an amenable number.

45053153521 is a deficient number, since it is larger than the sum of its proper divisors (1).

45053153521 is an equidigital number, since it uses as much as digits as its factorization.

45053153521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45000, while the sum is 34.

Adding to 45053153521 its reverse (12535135054), we get a palindrome (57588288575).

The spelling of 45053153521 in words is "forty-five billion, fifty-three million, one hundred fifty-three thousand, five hundred twenty-one".