11478398718 has 8 divisors (see below), whose sum is σ = 22956797448. Its totient is φ = 3826132904.

The previous prime is 11478398707. The next prime is 11478398719. The reversal of 11478398718 is 81789387411.

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

11478398718 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11478398719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 956533221 + ... + 956533232.

It is an arithmetic number, because the mean of its divisors is an integer number (2869599681).

Almost surely, 2^11478398718 is an apocalyptic number.

11478398718 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.

11478398718 is a wasteful number, since it uses less digits than its factorization.

11478398718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913066458.

The product of its digits is 2709504, while the sum is 57.

The spelling of 11478398718 in words is "eleven billion, four hundred seventy-eight million, three hundred ninety-eight thousand, seven hundred eighteen".