1326280494141 has 20 divisors (see below), whose sum is σ = 2000850013404. Its totient is φ = 875432664000.

The previous prime is 1326280494139. The next prime is 1326280494167. The reversal of 1326280494141 is 1414940826231.

1326280494141 is a `hidden beast` number, since 1 + 3 + 2 + 628 + 0 + 4 + 9 + 4 + 14 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1011189125241 + 315091368900 = 1005579^2 + 561330^2 .

It is not a de Polignac number, because 1326280494141 - 2¹ = 1326280494139 is a prime.

It is a super-3 number, since 3×1326280494141³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326280494541) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 81050400 + ... + 81066761.

Almost surely, 2^{1326280494141} is an apocalyptic number.

It is an amenable number.

1326280494141 is a deficient number, since it is larger than the sum of its proper divisors (674569519263).

1326280494141 is a wasteful number, since it uses less digits than its factorization.

1326280494141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162117274 (or 162117265 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 1326280494141 in words is "one trillion, three hundred twenty-six billion, two hundred eighty million, four hundred ninety-four thousand, one hundred forty-one".