1103944800786 has 128 divisors (see below), whose sum is σ = 2529537196032. Its totient is φ = 319382784000.

The previous prime is 1103944800737. The next prime is 1103944800787. The reversal of 1103944800786 is 6870084493011.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1103944800787) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5475591 + ... + 5673621.

It is an arithmetic number, because the mean of its divisors is an integer number (19762009344).

Almost surely, 2^{1103944800786} is an apocalyptic number.

1103944800786 is an abundant number, since it is smaller than the sum of its proper divisors (1425592395246).

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

1103944800786 is a wasteful number, since it uses less digits than its factorization.

1103944800786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198168.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 1103944800786 in words is "one trillion, one hundred three billion, nine hundred forty-four million, eight hundred thousand, seven hundred eighty-six".