1109399346048 has 128 divisors (see below), whose sum is σ = 3514246571520. Its totient is φ = 303189866496.

The previous prime is 1109399346007. The next prime is 1109399346079. The reversal of 1109399346048 is 8406439939011.

It is a tau number, because it is divible by the number of its divisors (128).

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, 8910415 + ... + 9034062.

It is an arithmetic number, because the mean of its divisors is an integer number (27455051340).

Almost surely, 2^{1109399346048} is an apocalyptic number.

It is an amenable number.

1109399346048 is an abundant number, since it is smaller than the sum of its proper divisors (2404847225472).

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

1109399346048 is a wasteful number, since it uses less digits than its factorization.

1109399346048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17944524 (or 17944512 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 57.

The spelling of 1109399346048 in words is "one trillion, one hundred nine billion, three hundred ninety-nine million, three hundred forty-six thousand, forty-eight".