1331880709519 has 2 divisors, whose sum is σ = 1331880709520. Its totient is φ = 1331880709518.

The previous prime is 1331880709517. The next prime is 1331880709681. The reversal of 1331880709519 is 9159070881331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1331880709519 - 2¹ = 1331880709517 is a prime.

It is a super-2 number, since 2×1331880709519² (a number of 25 digits) contains 22 as substring.

Together with 1331880709517, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1331880709519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1331880709517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665940354759 + 665940354760.

It is an arithmetic number, because the mean of its divisors is an integer number (665940354760).

Almost surely, 2^{1331880709519} is an apocalyptic number.

1331880709519 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331880709519 is an equidigital number, since it uses as much as digits as its factorization.

1331880709519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 55.

The spelling of 1331880709519 in words is "one trillion, three hundred thirty-one billion, eight hundred eighty million, seven hundred nine thousand, five hundred nineteen".