1108231569605 has 16 divisors (see below), whose sum is σ = 1338854631984. Its totient is φ = 880615096320.

The previous prime is 1108231569583. The next prime is 1108231569617. The reversal of 1108231569605 is 5069651328011.

It can be written as a sum of positive squares in 8 ways, for example, as 2265950404 + 1105965619201 = 47602^2 + 1051649^2 .

It is not a de Polignac number, because 1108231569605 - 2⁶ = 1108231569541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1108231569605.

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, 277244 + ... + 1514373.

It is an arithmetic number, because the mean of its divisors is an integer number (83678414499).

Almost surely, 2^{1108231569605} is an apocalyptic number.

It is an amenable number.

1108231569605 is a deficient number, since it is larger than the sum of its proper divisors (230623062379).

1108231569605 is a wasteful number, since it uses less digits than its factorization.

1108231569605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792456.

The product of its (nonzero) digits is 388800, while the sum is 47.

The spelling of 1108231569605 in words is "one trillion, one hundred eight billion, two hundred thirty-one million, five hundred sixty-nine thousand, six hundred five".