11544518320 has 20 divisors (see below), whose sum is σ = 26841005280. Its totient is φ = 4617807296.

The previous prime is 11544518311. The next prime is 11544518383. The reversal of 11544518320 is 2381544511.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72153160 + ... + 72153319.

It is an arithmetic number, because the mean of its divisors is an integer number (1342050264).

Almost surely, 2^11544518320 is an apocalyptic number.

11544518320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11544518320 is an abundant number, since it is smaller than the sum of its proper divisors (15296486960).

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

11544518320 is a wasteful number, since it uses less digits than its factorization.

11544518320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144306492 (or 144306486 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The spelling of 11544518320 in words is "eleven billion, five hundred forty-four million, five hundred eighteen thousand, three hundred twenty".