1081337305856 has 144 divisors (see below), whose sum is σ = 2326987450368. Its totient is φ = 500040499200.

The previous prime is 1081337305843. The next prime is 1081337305891. The reversal of 1081337305856 is 6585037331801.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309748271 + ... + 309751761.

It is an arithmetic number, because the mean of its divisors is an integer number (16159635072).

Almost surely, 2^{1081337305856} is an apocalyptic number.

1081337305856 is a gapful number since it is divisible by the number (16) 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 1081337305856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1163493725184).

1081337305856 is an abundant number, since it is smaller than the sum of its proper divisors (1245650144512).

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

1081337305856 is a wasteful number, since it uses less digits than its factorization.

1081337305856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5258 (or 5244 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 1081337305856 in words is "one trillion, eighty-one billion, three hundred thirty-seven million, three hundred five thousand, eight hundred fifty-six".