1109793105564 has 48 divisors (see below), whose sum is σ = 3042230056320. Its totient is φ = 310431637440.

The previous prime is 1109793105559. The next prime is 1109793105571. The reversal of 1109793105564 is 4655013979011.

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, 323364574 + ... + 323368005.

It is an arithmetic number, because the mean of its divisors is an integer number (63379792840).

Almost surely, 2^{1109793105564} is an apocalyptic number.

It is an amenable number.

1109793105564 is an abundant number, since it is smaller than the sum of its proper divisors (1932436950756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1109793105564 is a wasteful number, since it uses less digits than its factorization.

1109793105564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646732610 (or 646732608 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 51.

The spelling of 1109793105564 in words is "one trillion, one hundred nine billion, seven hundred ninety-three million, one hundred five thousand, five hundred sixty-four".