1081995022944 has 288 divisors, whose sum is σ = 3401498790144. Its totient is φ = 323519063040.

The previous prime is 1081995022919. The next prime is 1081995022957. The reversal of 1081995022944 is 4492205991801.

1081995022944 is a `hidden beast` number, since 1 + 0 + 8 + 1 + 99 + 502 + 2 + 9 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 92338174 + ... + 92349890.

It is an arithmetic number, because the mean of its divisors is an integer number (11810759688).

Almost surely, 2^{1081995022944} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1081995022944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1700749395072).

1081995022944 is an abundant number, since it is smaller than the sum of its proper divisors (2319503767200).

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

1081995022944 is a wasteful number, since it uses less digits than its factorization.

1081995022944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12130 (or 12119 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 1081995022944 in words is "one trillion, eighty-one billion, nine hundred ninety-five million, twenty-two thousand, nine hundred forty-four".