1080897845491 has 8 divisors (see below), whose sum is σ = 1140276902480. Its totient is φ = 1021767758208.

The previous prime is 1080897845407. The next prime is 1080897845509. The reversal of 1080897845491 is 1945487980801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1080897845491 - 2⁹ = 1080897844979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1080897845191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62233506 + ... + 62250871.

It is an arithmetic number, because the mean of its divisors is an integer number (142534612810).

Almost surely, 2^{1080897845491} is an apocalyptic number.

1080897845491 is a deficient number, since it is larger than the sum of its proper divisors (59379056989).

1080897845491 is a wasteful number, since it uses less digits than its factorization.

1080897845491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124484853.

The product of its (nonzero) digits is 23224320, while the sum is 64.

The spelling of 1080897845491 in words is "one trillion, eighty billion, eight hundred ninety-seven million, eight hundred forty-five thousand, four hundred ninety-one".