1104185435220 has 192 divisors, whose sum is σ = 3936695132160. Its totient is φ = 251697227904.

The previous prime is 1104185435203. The next prime is 1104185435231. The reversal of 1104185435220 is 225345814011.

1104185435220 is a `hidden beast` number, since 1 + 1 + 0 + 41 + 8 + 543 + 52 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 989287 + ... + 1785233.

It is an arithmetic number, because the mean of its divisors is an integer number (20503620480).

Almost surely, 2^{1104185435220} is an apocalyptic number.

1104185435220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1104185435220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1968347566080).

1104185435220 is an abundant number, since it is smaller than the sum of its proper divisors (2832509696940).

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

1104185435220 is a wasteful number, since it uses less digits than its factorization.

1104185435220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796339 (or 796331 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 1104185435220 in words is "one trillion, one hundred four billion, one hundred eighty-five million, four hundred thirty-five thousand, two hundred twenty".