1105468181820 has 72 divisors (see below), whose sum is σ = 3354309372960. Its totient is φ = 294698689920.

The previous prime is 1105468181743. The next prime is 1105468181849. The reversal of 1105468181820 is 281818645011.

1105468181820 is a `hidden beast` number, since 1 + 1 + 0 + 5 + 468 + 1 + 8 + 182 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 392760 + ... + 1537919.

It is an arithmetic number, because the mean of its divisors is an integer number (46587630180).

Almost surely, 2^{1105468181820} is an apocalyptic number.

1105468181820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1105468181820 is an abundant number, since it is smaller than the sum of its proper divisors (2248841191140).

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

1105468181820 is a wasteful number, since it uses less digits than its factorization.

1105468181820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933875 (or 1933870 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 45.

The spelling of 1105468181820 in words is "one trillion, one hundred five billion, four hundred sixty-eight million, one hundred eighty-one thousand, eight hundred twenty".