11816414018 has 16 divisors (see below), whose sum is σ = 18194077440. Its totient is φ = 5752589136.

The previous prime is 11816413993. The next prime is 11816414021. The reversal of 11816414018 is 81041461811.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189458 + ... + 243981.

It is an arithmetic number, because the mean of its divisors is an integer number (1137129840).

Almost surely, 2^11816414018 is an apocalyptic number.

11816414018 is a deficient number, since it is larger than the sum of its proper divisors (6377663422).

11816414018 is a wasteful number, since it uses less digits than its factorization.

11816414018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433801.

The product of its (nonzero) digits is 6144, while the sum is 35.

Adding to 11816414018 its reverse (81041461811), we get a palindrome (92857875829).

The spelling of 11816414018 in words is "eleven billion, eight hundred sixteen million, four hundred fourteen thousand, eighteen".