1326716101280 has 24 divisors (see below), whose sum is σ = 3134366789652. Its totient is φ = 530686440448.

The previous prime is 1326716101261. The next prime is 1326716101309. The reversal of 1326716101280 is 821016176231.

It can be written as a sum of positive squares in 2 ways, for example, as 1151680970896 + 175035130384 = 1073164^2 + 418372^2 .

It is a super-2 number, since 2×1326716101280² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4145987657 + ... + 4145987976.

Almost surely, 2^{1326716101280} is an apocalyptic number.

1326716101280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1326716101280 is an abundant number, since it is smaller than the sum of its proper divisors (1807650688372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1326716101280 is an equidigital number, since it uses as much as digits as its factorization.

1326716101280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8291975648 (or 8291975640 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 1326716101280 in words is "one trillion, three hundred twenty-six billion, seven hundred sixteen million, one hundred one thousand, two hundred eighty".