16043122519 has 2 divisors, whose sum is σ = 16043122520. Its totient is φ = 16043122518.

The previous prime is 16043122517. The next prime is 16043122531. The reversal of 16043122519 is 91522134061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16043122519 - 2¹ = 16043122517 is a prime.

It is a super-2 number, since 2×16043122519² (a number of 21 digits) contains 22 as substring.

Together with 16043122517, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16043122517) 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, 8021561259 + 8021561260.

It is an arithmetic number, because the mean of its divisors is an integer number (8021561260).

Almost surely, 2^16043122519 is an apocalyptic number.

16043122519 is a deficient number, since it is larger than the sum of its proper divisors (1).

16043122519 is an equidigital number, since it uses as much as digits as its factorization.

16043122519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 16043122519 in words is "sixteen billion, forty-three million, one hundred twenty-two thousand, five hundred nineteen".