1327043615560 has 128 divisors (see below), whose sum is σ = 3224718967680. Its totient is φ = 488587051008.

The previous prime is 1327043615537. The next prime is 1327043615581. The reversal of 1327043615560 is 655163407231.

It is a super-2 number, since 2×1327043615560² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 348944619 + ... + 348948421.

It is an arithmetic number, because the mean of its divisors is an integer number (25193116935).

Almost surely, 2^{1327043615560} is an apocalyptic number.

1327043615560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1327043615560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1612359483840).

1327043615560 is an abundant number, since it is smaller than the sum of its proper divisors (1897675352120).

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

1327043615560 is a wasteful number, since it uses less digits than its factorization.

1327043615560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5567 (or 5563 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 1327043615560 in words is "one trillion, three hundred twenty-seven billion, forty-three million, six hundred fifteen thousand, five hundred sixty".