1321340001455 has 8 divisors (see below), whose sum is σ = 1612482714000. Its totient is φ = 1039155526336.

The previous prime is 1321340001431. The next prime is 1321340001503. The reversal of 1321340001455 is 5541000431231.

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 1321340001455 - 2¹⁸ = 1321339739311 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 2239559030 + ... + 2239559619.

It is an arithmetic number, because the mean of its divisors is an integer number (201560339250).

Almost surely, 2^{1321340001455} is an apocalyptic number.

1321340001455 is a deficient number, since it is larger than the sum of its proper divisors (291142712545).

1321340001455 is an equidigital number, since it uses as much as digits as its factorization.

1321340001455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4479118713.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 1321340001455 its reverse (5541000431231), we get a palindrome (6862340432686).

The spelling of 1321340001455 in words is "one trillion, three hundred twenty-one billion, three hundred forty million, one thousand, four hundred fifty-five".