1092940821805 has 16 divisors (see below), whose sum is σ = 1550576142720. Its totient is φ = 723602198592.

The previous prime is 1092940821787. The next prime is 1092940821811. The reversal of 1092940821805 is 5081280492901.

It is not a de Polignac number, because 1092940821805 - 2²⁵ = 1092907267373 is a prime.

It is a congruent number.

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, 538393479 + ... + 538395508.

It is an arithmetic number, because the mean of its divisors is an integer number (96911008920).

Almost surely, 2^{1092940821805} is an apocalyptic number.

It is an amenable number.

1092940821805 is a deficient number, since it is larger than the sum of its proper divisors (457635320915).

1092940821805 is a wasteful number, since it uses less digits than its factorization.

1092940821805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076789028.

The product of its (nonzero) digits is 414720, while the sum is 49.

The spelling of 1092940821805 in words is "one trillion, ninety-two billion, nine hundred forty million, eight hundred twenty-one thousand, eight hundred five".