1068881382081 has 12 divisors (see below), whose sum is σ = 1559226307860. Its totient is φ = 705532264800.

The previous prime is 1068881382077. The next prime is 1068881382139. The reversal of 1068881382081 is 1802831888601.

1068881382081 is a `hidden beast` number, since 106 + 8 + 8 + 81 + 382 + 0 + 81 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 966603585600 + 102277796481 = 983160^2 + 319809^2 .

It is not a de Polignac number, because 1068881382081 - 2² = 1068881382077 is a prime.

It is a super-2 number, since 2×1068881382081² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1068881382031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 587942646 + ... + 587944463.

It is an arithmetic number, because the mean of its divisors is an integer number (129935525655).

Almost surely, 2^{1068881382081} is an apocalyptic number.

It is an amenable number.

1068881382081 is a deficient number, since it is larger than the sum of its proper divisors (490344925779).

1068881382081 is a wasteful number, since it uses less digits than its factorization.

1068881382081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175887216 (or 1175887213 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 54.

The spelling of 1068881382081 in words is "one trillion, sixty-eight billion, eight hundred eighty-one million, three hundred eighty-two thousand, eighty-one".