1180599944820 has 48 divisors (see below), whose sum is σ = 3305781980928. Its totient is φ = 314816924800.

The previous prime is 1180599944803. The next prime is 1180599944893. The reversal of 1180599944820 is 284499950811.

It is a Harshad number since it is a multiple of its sum of digits (60).

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 15 ways as a sum of consecutive naturals, for example, 1771237 + ... + 2344883.

It is an arithmetic number, because the mean of its divisors is an integer number (68870457936).

Almost surely, 2^{1180599944820} is an apocalyptic number.

1180599944820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1180599944820 is an abundant number, since it is smaller than the sum of its proper divisors (2125182036108).

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

1180599944820 is a wasteful number, since it uses less digits than its factorization.

1180599944820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607960 (or 607958 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 60.

The spelling of 1180599944820 in words is "one trillion, one hundred eighty billion, five hundred ninety-nine million, nine hundred forty-four thousand, eight hundred twenty".