11415806418 has 8 divisors (see below), whose sum is σ = 22831612848. Its totient is φ = 3805268804.

The previous prime is 11415806401. The next prime is 11415806419. The reversal of 11415806418 is 81460851411.

11415806418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

11415806418 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11415806419) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 951317196 + ... + 951317207.

It is an arithmetic number, because the mean of its divisors is an integer number (2853951606).

Almost surely, 2^11415806418 is an apocalyptic number.

11415806418 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11415806418 is a wasteful number, since it uses less digits than its factorization.

11415806418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902634408.

The product of its (nonzero) digits is 30720, while the sum is 39.

The spelling of 11415806418 in words is "eleven billion, four hundred fifteen million, eight hundred six thousand, four hundred eighteen".