10513531251473 has 2 divisors, whose sum is σ = 10513531251474. Its totient is φ = 10513531251472.

The previous prime is 10513531251467. The next prime is 10513531251529. The reversal of 10513531251473 is 37415213531501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10310700816784 + 202830434689 = 3211028^2 + 450367^2 .

It is a cyclic number.

It is not a de Polignac number, because 10513531251473 - 2⁸ = 10513531251217 is a prime.

It is a super-2 number, since 2×10513531251473² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10513531251473.

It is not a weakly prime, because it can be changed into another prime (10513531250473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5256765625736 + 5256765625737.

It is an arithmetic number, because the mean of its divisors is an integer number (5256765625737).

Almost surely, 2^{10513531251473} is an apocalyptic number.

It is an amenable number.

10513531251473 is a deficient number, since it is larger than the sum of its proper divisors (1).

10513531251473 is an equidigital number, since it uses as much as digits as its factorization.

10513531251473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189000, while the sum is 41.

Adding to 10513531251473 its reverse (37415213531501), we get a palindrome (47928744782974).

The spelling of 10513531251473 in words is "ten trillion, five hundred thirteen billion, five hundred thirty-one million, two hundred fifty-one thousand, four hundred seventy-three".