1326091745461 has 8 divisors (see below), whose sum is σ = 1541220431040. Its totient is φ = 1117384811808.

The previous prime is 1326091745441. The next prime is 1326091745471. The reversal of 1326091745461 is 1645471906231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1326091745461 - 2¹⁷ = 1326091614389 is a prime.

It is a super-3 number, since 3×1326091745461³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326091745411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1605437536 + ... + 1605438361.

It is an arithmetic number, because the mean of its divisors is an integer number (192652553880).

Almost surely, 2^{1326091745461} is an apocalyptic number.

It is an amenable number.

1326091745461 is a deficient number, since it is larger than the sum of its proper divisors (215128685579).

1326091745461 is an equidigital number, since it uses as much as digits as its factorization.

1326091745461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210875963.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 1326091745461 in words is "one trillion, three hundred twenty-six billion, ninety-one million, seven hundred forty-five thousand, four hundred sixty-one".