10512054125509 has 2 divisors, whose sum is σ = 10512054125510. Its totient is φ = 10512054125508.

The previous prime is 10512054125479. The next prime is 10512054125539. The reversal of 10512054125509 is 90552145021501.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (10512054125479) and next prime (10512054125539).

It can be written as a sum of positive squares in only one way, i.e., 5421516412225 + 5090537713284 = 2328415^2 + 2256222^2 .

It is a cyclic number.

It is not a de Polignac number, because 10512054125509 - 2⁹ = 10512054124997 is a prime.

It is a super-2 number, since 2×10512054125509² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10512054125539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5256027062754 + 5256027062755.

It is an arithmetic number, because the mean of its divisors is an integer number (5256027062755).

Almost surely, 2^{10512054125509} is an apocalyptic number.

It is an amenable number.

10512054125509 is a deficient number, since it is larger than the sum of its proper divisors (1).

10512054125509 is an equidigital number, since it uses as much as digits as its factorization.

10512054125509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90000, while the sum is 40.

The spelling of 10512054125509 in words is "ten trillion, five hundred twelve billion, fifty-four million, one hundred twenty-five thousand, five hundred nine".