1321361504360 has 32 divisors (see below), whose sum is σ = 2979118548000. Its totient is φ = 527468128320.

The previous prime is 1321361504339. The next prime is 1321361504387. The reversal of 1321361504360 is 634051631231.

It is a self number, because there is not a number n which added to its sum of digits gives 1321361504360.

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, 33619910 + ... + 33659189.

It is an arithmetic number, because the mean of its divisors is an integer number (93097454625).

Almost surely, 2^{1321361504360} is an apocalyptic number.

1321361504360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1321361504360 is an abundant number, since it is smaller than the sum of its proper divisors (1657757043640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321361504360 is a wasteful number, since it uses less digits than its factorization.

1321361504360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67279601 (or 67279597 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 1321361504360 in words is "one trillion, three hundred twenty-one billion, three hundred sixty-one million, five hundred four thousand, three hundred sixty".