15944945119 has 2 divisors, whose sum is σ = 15944945120. Its totient is φ = 15944945118.

The previous prime is 15944945089. The next prime is 15944945161. The reversal of 15944945119 is 91154944951.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15944945119 - 2¹¹ = 15944943071 is a prime.

It is a super-2 number, since 2×15944945119² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15944945189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7972472559 + 7972472560.

It is an arithmetic number, because the mean of its divisors is an integer number (7972472560).

Almost surely, 2^15944945119 is an apocalyptic number.

15944945119 is a deficient number, since it is larger than the sum of its proper divisors (1).

15944945119 is an equidigital number, since it uses as much as digits as its factorization.

15944945119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 52.

The spelling of 15944945119 in words is "fifteen billion, nine hundred forty-four million, nine hundred forty-five thousand, one hundred nineteen".