1051230512513 has 2 divisors, whose sum is σ = 1051230512514. Its totient is φ = 1051230512512.

The previous prime is 1051230512447. The next prime is 1051230512627. The reversal of 1051230512513 is 3152150321501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1050108463504 + 1122049009 = 1024748^2 + 33497^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051230512513 - 2¹⁰ = 1051230511489 is a prime.

It is a super-2 number, since 2×1051230512513² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1051230542513) 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, 525615256256 + 525615256257.

It is an arithmetic number, because the mean of its divisors is an integer number (525615256257).

Almost surely, 2^{1051230512513} is an apocalyptic number.

It is an amenable number.

1051230512513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051230512513 is an equidigital number, since it uses as much as digits as its factorization.

1051230512513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 1051230512513 in words is "one trillion, fifty-one billion, two hundred thirty million, five hundred twelve thousand, five hundred thirteen".