15939043271 has 2 divisors, whose sum is σ = 15939043272. Its totient is φ = 15939043270.

The previous prime is 15939043231. The next prime is 15939043301. The reversal of 15939043271 is 17234093951.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15939043271 - 2¹⁰ = 15939042247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15939043231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7969521635 + 7969521636.

It is an arithmetic number, because the mean of its divisors is an integer number (7969521636).

Almost surely, 2^15939043271 is an apocalyptic number.

15939043271 is a deficient number, since it is larger than the sum of its proper divisors (1).

15939043271 is an equidigital number, since it uses as much as digits as its factorization.

15939043271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 44.

The spelling of 15939043271 in words is "fifteen billion, nine hundred thirty-nine million, forty-three thousand, two hundred seventy-one".