1326871208811 has 16 divisors (see below), whose sum is σ = 1849314804480. Its totient is φ = 844638923040.

The previous prime is 1326871208807. The next prime is 1326871208813. The reversal of 1326871208811 is 1188021786231.

It is not a de Polignac number, because 1326871208811 - 2² = 1326871208807 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1326871208813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16799496 + ... + 16878293.

It is an arithmetic number, because the mean of its divisors is an integer number (115582175280).

Almost surely, 2^{1326871208811} is an apocalyptic number.

1326871208811 is a deficient number, since it is larger than the sum of its proper divisors (522443595669).

1326871208811 is a wasteful number, since it uses less digits than its factorization.

1326871208811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33678386.

The product of its (nonzero) digits is 258048, while the sum is 48.

The spelling of 1326871208811 in words is "one trillion, three hundred twenty-six billion, eight hundred seventy-one million, two hundred eight thousand, eight hundred eleven".