12553412519 has 2 divisors, whose sum is σ = 12553412520. Its totient is φ = 12553412518.

The previous prime is 12553412507. The next prime is 12553412549. The reversal of 12553412519 is 91521435521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12553412519 is a prime.

It is a super-2 number, since 2×12553412519² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12553412549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6276706259 + 6276706260.

It is an arithmetic number, because the mean of its divisors is an integer number (6276706260).

Almost surely, 2^12553412519 is an apocalyptic number.

12553412519 is a deficient number, since it is larger than the sum of its proper divisors (1).

12553412519 is an equidigital number, since it uses as much as digits as its factorization.

12553412519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 38.

The spelling of 12553412519 in words is "twelve billion, five hundred fifty-three million, four hundred twelve thousand, five hundred nineteen".