1180609218409 has 8 divisors (see below), whose sum is σ = 1237367108160. Its totient is φ = 1124303583216.

The previous prime is 1180609218403. The next prime is 1180609218419. The reversal of 1180609218409 is 9048129060811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1180609218409 - 2¹⁷ = 1180609087337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1180609218403) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 113058294 + ... + 113068735.

It is an arithmetic number, because the mean of its divisors is an integer number (154670888520).

Almost surely, 2^{1180609218409} is an apocalyptic number.

It is an amenable number.

1180609218409 is a deficient number, since it is larger than the sum of its proper divisors (56757889751).

1180609218409 is a wasteful number, since it uses less digits than its factorization.

1180609218409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226127279.

The product of its (nonzero) digits is 248832, while the sum is 49.

The spelling of 1180609218409 in words is "one trillion, one hundred eighty billion, six hundred nine million, two hundred eighteen thousand, four hundred nine".