1181934449976 has 240 divisors, whose sum is σ = 3570214541400. Its totient is φ = 326050882752.

The previous prime is 1181934449959. The next prime is 1181934450001. The reversal of 1181934449976 is 6799444391811.

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 59 ways as a sum of consecutive naturals, for example, 40756360330 + ... + 40756360358.

Almost surely, 2^{1181934449976} 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 1181934449976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1785107270700).

1181934449976 is an abundant number, since it is smaller than the sum of its proper divisors (2388280091424).

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

1181934449976 is an frugal number, since it uses more digits than its factorization.

1181934449976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 41 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 66.

The spelling of 1181934449976 in words is "one trillion, one hundred eighty-one billion, nine hundred thirty-four million, four hundred forty-nine thousand, nine hundred seventy-six".