1080927840405 has 24 divisors (see below), whose sum is σ = 2011849369632. Its totient is φ = 494138440992.

The previous prime is 1080927840397. The next prime is 1080927840427. The reversal of 1080927840405 is 5040487290801.

It is a happy number.

It is not a de Polignac number, because 1080927840405 - 2³ = 1080927840397 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 735324327 + ... + 735325796.

It is an arithmetic number, because the mean of its divisors is an integer number (83827057068).

Almost surely, 2^{1080927840405} is an apocalyptic number.

1080927840405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1080927840405 is a deficient number, since it is larger than the sum of its proper divisors (930921529227).

1080927840405 is a wasteful number, since it uses less digits than its factorization.

1080927840405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470650145 (or 1470650138 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

It can be divided in two parts, 108092 and 7840405, that added together give a palindrome (7948497).

The spelling of 1080927840405 in words is "one trillion, eighty billion, nine hundred twenty-seven million, eight hundred forty thousand, four hundred five".