1321335455351 has 8 divisors (see below), whose sum is σ = 1324248499200. Its totient is φ = 1318425164280.

The previous prime is 1321335455339. The next prime is 1321335455371. The reversal of 1321335455351 is 1535545331231.

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 1321335455351 - 2⁶ = 1321335455287 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1321335455299 and 1321335455308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321335455371) 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, 274346 + ... + 1648616.

It is an arithmetic number, because the mean of its divisors is an integer number (165531062400).

Almost surely, 2^{1321335455351} is an apocalyptic number.

1321335455351 is a deficient number, since it is larger than the sum of its proper divisors (2913043849).

1321335455351 is a wasteful number, since it uses less digits than its factorization.

1321335455351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376389.

The product of its digits is 405000, while the sum is 41.

The spelling of 1321335455351 in words is "one trillion, three hundred twenty-one billion, three hundred thirty-five million, four hundred fifty-five thousand, three hundred fifty-one".