1103556472688 has 120 divisors (see below), whose sum is σ = 2269368383568. Its totient is φ = 519568164864.

The previous prime is 1103556472673. The next prime is 1103556472699. The reversal of 1103556472688 is 8862746553011.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 576871220 + ... + 576873132.

Almost surely, 2^{1103556472688} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1103556472688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1134684191784).

1103556472688 is an abundant number, since it is smaller than the sum of its proper divisors (1165811910880).

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

1103556472688 is a wasteful number, since it uses less digits than its factorization.

1103556472688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3019 (or 2984 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 56.

The spelling of 1103556472688 in words is "one trillion, one hundred three billion, five hundred fifty-six million, four hundred seventy-two thousand, six hundred eighty-eight".