12315022553 has 2 divisors, whose sum is σ = 12315022554. Its totient is φ = 12315022552.

The previous prime is 12315022541. The next prime is 12315022567. The reversal of 12315022553 is 35522051321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7559954704 + 4755067849 = 86948^2 + 68957^2 .

It is a cyclic number.

It is not a de Polignac number, because 12315022553 - 2³² = 8020055257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12315025553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6157511276 + 6157511277.

It is an arithmetic number, because the mean of its divisors is an integer number (6157511277).

Almost surely, 2^12315022553 is an apocalyptic number.

It is an amenable number.

12315022553 is a deficient number, since it is larger than the sum of its proper divisors (1).

12315022553 is an equidigital number, since it uses as much as digits as its factorization.

12315022553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 12315022553 its reverse (35522051321), we get a palindrome (47837073874).

The spelling of 12315022553 in words is "twelve billion, three hundred fifteen million, twenty-two thousand, five hundred fifty-three".