1328285531455 has 8 divisors (see below), whose sum is σ = 1594459666512. Its totient is φ = 1062283739328.

The previous prime is 1328285531453. The next prime is 1328285531513. The reversal of 1328285531455 is 5541355828231.

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 1328285531455 - 2¹ = 1328285531453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328285531453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43068774 + ... + 43099603.

It is an arithmetic number, because the mean of its divisors is an integer number (199307458314).

Almost surely, 2^{1328285531455} is an apocalyptic number.

1328285531455 is a deficient number, since it is larger than the sum of its proper divisors (266174135057).

1328285531455 is an equidigital number, since it uses as much as digits as its factorization.

1328285531455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86171465.

The product of its digits is 5760000, while the sum is 52.

The spelling of 1328285531455 in words is "one trillion, three hundred twenty-eight billion, two hundred eighty-five million, five hundred thirty-one thousand, four hundred fifty-five".