11487119328 has 144 divisors (see below), whose sum is σ = 33986324736. Its totient is φ = 3816616320.

The previous prime is 11487119321. The next prime is 11487119339. The reversal of 11487119328 is 82391178411.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×11487119328² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11487119321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2571625 + ... + 2576087.

It is an arithmetic number, because the mean of its divisors is an integer number (236016144).

Almost surely, 2^11487119328 is an apocalyptic number.

11487119328 is a gapful number since it is divisible by the number (18) 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 11487119328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16993162368).

11487119328 is an abundant number, since it is smaller than the sum of its proper divisors (22499205408).

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

11487119328 is an equidigital number, since it uses as much as digits as its factorization.

11487119328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4819 (or 4799 counting only the distinct ones).

The product of its digits is 96768, while the sum is 45.

The spelling of 11487119328 in words is "eleven billion, four hundred eighty-seven million, one hundred nineteen thousand, three hundred twenty-eight".