11479430640 has 160 divisors (see below), whose sum is σ = 39088212480. Its totient is φ = 2773951488.

The previous prime is 11479430587. The next prime is 11479430647. The reversal of 11479430640 is 4603497411.

11479430640 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 (11479430647) 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 31 ways as a sum of consecutive naturals, for example, 50154 + ... + 159606.

It is an arithmetic number, because the mean of its divisors is an integer number (244301328).

Almost surely, 2^11479430640 is an apocalyptic number.

11479430640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11479430640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19544106240).

11479430640 is an abundant number, since it is smaller than the sum of its proper divisors (27608781840).

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

11479430640 is a wasteful number, since it uses less digits than its factorization.

11479430640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109511 (or 109505 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 11479430640 in words is "eleven billion, four hundred seventy-nine million, four hundred thirty thousand, six hundred forty".