1181782460508 has 192 divisors, whose sum is σ = 3191317032960. Its totient is φ = 337136836608.

The previous prime is 1181782460447. The next prime is 1181782460531. The reversal of 1181782460508 is 8050642871811.

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

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 63 ways as a sum of consecutive naturals, for example, 95738985 + ... + 95751327.

It is an arithmetic number, because the mean of its divisors is an integer number (16621442880).

Almost surely, 2^{1181782460508} 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 1181782460508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1595658516480).

1181782460508 is an abundant number, since it is smaller than the sum of its proper divisors (2009534572452).

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

1181782460508 is a wasteful number, since it uses less digits than its factorization.

1181782460508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12916 (or 12914 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 51.

The spelling of 1181782460508 in words is "one trillion, one hundred eighty-one billion, seven hundred eighty-two million, four hundred sixty thousand, five hundred eight".