1181920484208 has 20 divisors (see below), whose sum is σ = 3053294584328. Its totient is φ = 393973494720.

The previous prime is 1181920484201. The next prime is 1181920484233. The reversal of 1181920484208 is 8024840291811.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 24623343421 = 1181920484208 / (1 + 1 + 8 + 1 + 9 + 2 + 0 + 4 + 8 + 4 + 2 + 0 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1181920484201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12311671663 + ... + 12311671758.

Almost surely, 2^{1181920484208} is an apocalyptic number.

It is an amenable number.

1181920484208 is an abundant number, since it is smaller than the sum of its proper divisors (1871374100120).

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

1181920484208 is a wasteful number, since it uses less digits than its factorization.

1181920484208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24623343432 (or 24623343426 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 48.

The spelling of 1181920484208 in words is "one trillion, one hundred eighty-one billion, nine hundred twenty million, four hundred eighty-four thousand, two hundred eight".