1109066467091 has 48 divisors (see below), whose sum is σ = 1268628480000. Its totient is φ = 967674375360.

The previous prime is 1109066467087. The next prime is 1109066467121. The reversal of 1109066467091 is 1907646609011.

It is a happy number.

It is not a de Polignac number, because 1109066467091 - 2² = 1109066467087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1109066467021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 770719550 + ... + 770720988.

It is an arithmetic number, because the mean of its divisors is an integer number (26429760000).

Almost surely, 2^{1109066467091} is an apocalyptic number.

1109066467091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1109066467091 is a deficient number, since it is larger than the sum of its proper divisors (159562012909).

1109066467091 is a wasteful number, since it uses less digits than its factorization.

1109066467091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648 (or 2637 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 50.

The spelling of 1109066467091 in words is "one trillion, one hundred nine billion, sixty-six million, four hundred sixty-seven thousand, ninety-one".