1100109085443 has 24 divisors (see below), whose sum is σ = 1646688640896. Its totient is φ = 706986086400.

The previous prime is 1100109085403. The next prime is 1100109085447. The reversal of 1100109085443 is 3445809010011.

1100109085443 is a `hidden beast` number, since 1 + 1 + 0 + 0 + 109 + 0 + 8 + 544 + 3 = 666.

It is not a de Polignac number, because 1100109085443 - 2⁶ = 1100109085379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1100109085398 and 1100109085407.

It is not an unprimeable number, because it can be changed into a prime (1100109085447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7599588 + ... + 7742993.

It is an arithmetic number, because the mean of its divisors is an integer number (68612026704).

Almost surely, 2^{1100109085443} is an apocalyptic number.

1100109085443 is a deficient number, since it is larger than the sum of its proper divisors (546579555453).

1100109085443 is a wasteful number, since it uses less digits than its factorization.

1100109085443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15342875 (or 15342872 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 1100109085443 in words is "one trillion, one hundred billion, one hundred nine million, eighty-five thousand, four hundred forty-three".