1109513712508 has 12 divisors (see below), whose sum is σ = 1943963244720. Its totient is φ = 554095642592.

The previous prime is 1109513712481. The next prime is 1109513712509. The reversal of 1109513712508 is 8052173159011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109513712509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165299641 + ... + 165306352.

It is an arithmetic number, because the mean of its divisors is an integer number (161996937060).

Almost surely, 2^{1109513712508} is an apocalyptic number.

It is an amenable number.

1109513712508 is a deficient number, since it is larger than the sum of its proper divisors (834449532212).

1109513712508 is a wasteful number, since it uses less digits than its factorization.

1109513712508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330606836 (or 330606834 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 43.

The spelling of 1109513712508 in words is "one trillion, one hundred nine billion, five hundred thirteen million, seven hundred twelve thousand, five hundred eight".