11479131918 has 96 divisors (see below), whose sum is σ = 28191421440. Its totient is φ = 3485047680.

The previous prime is 11479131889. The next prime is 11479131919. The reversal of 11479131918 is 81913197411.

11479131918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11479131919) 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 47 ways as a sum of consecutive naturals, for example, 233713 + ... + 278531.

It is an arithmetic number, because the mean of its divisors is an integer number (293660640).

Almost surely, 2^11479131918 is an apocalyptic number.

11479131918 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11479131918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14095710720).

11479131918 is an abundant number, since it is smaller than the sum of its proper divisors (16712289522).

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

11479131918 is a wasteful number, since it uses less digits than its factorization.

11479131918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44884 (or 44872 counting only the distinct ones).

The product of its digits is 54432, while the sum is 45.

The spelling of 11479131918 in words is "eleven billion, four hundred seventy-nine million, one hundred thirty-one thousand, nine hundred eighteen".