1082827420805 has 12 divisors (see below), whose sum is σ = 1407034921860. Its totient is φ = 799626402432.

The previous prime is 1082827420799. The next prime is 1082827420813. The reversal of 1082827420805 is 5080247282801.

1082827420805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 115041715684 + 967785705121 = 339178^2 + 983761^2 .

It is not a de Polignac number, because 1082827420805 - 2²² = 1082823226501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1082827420805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 640725440 + ... + 640727129.

It is an arithmetic number, because the mean of its divisors is an integer number (117252910155).

Almost surely, 2^{1082827420805} is an apocalyptic number.

It is an amenable number.

1082827420805 is a deficient number, since it is larger than the sum of its proper divisors (324207501055).

1082827420805 is a wasteful number, since it uses less digits than its factorization.

1082827420805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281452600 (or 1281452587 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 47.

The spelling of 1082827420805 in words is "one trillion, eighty-two billion, eight hundred twenty-seven million, four hundred twenty thousand, eight hundred five".