1080819807453 has 20 divisors (see below), whose sum is σ = 1634010499968. Its totient is φ = 711865250280.

The previous prime is 1080819807421. The next prime is 1080819807517. The reversal of 1080819807453 is 3547089180801.

1080819807453 is a `hidden beast` number, since 108 + 0 + 8 + 1 + 9 + 80 + 7 + 453 = 666.

It is not a de Polignac number, because 1080819807453 - 2⁵ = 1080819807421 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1080819807453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080819807653) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 80375533 + ... + 80388978.

Almost surely, 2^{1080819807453} is an apocalyptic number.

It is an amenable number.

1080819807453 is a deficient number, since it is larger than the sum of its proper divisors (553190692515).

1080819807453 is an equidigital number, since it uses as much as digits as its factorization.

1080819807453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160764606 (or 160764597 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 54.

The spelling of 1080819807453 in words is "one trillion, eighty billion, eight hundred nineteen million, eight hundred seven thousand, four hundred fifty-three".