11681383418 has 8 divisors (see below), whose sum is σ = 17522550912. Its totient is φ = 5840533116.

The previous prime is 11681383393. The next prime is 11681383447. The reversal of 11681383418 is 81438318611.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66071 + ... + 166517.

It is an arithmetic number, because the mean of its divisors is an integer number (2190318864).

Almost surely, 2^11681383418 is an apocalyptic number.

11681383418 is a deficient number, since it is larger than the sum of its proper divisors (5841167494).

11681383418 is a wasteful number, since it uses less digits than its factorization.

11681383418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158596.

The product of its digits is 110592, while the sum is 44.

The spelling of 11681383418 in words is "eleven billion, six hundred eighty-one million, three hundred eighty-three thousand, four hundred eighteen".