11331303144 has 128 divisors (see below), whose sum is σ = 34144281600. Its totient is φ = 3061255680.

The previous prime is 11331303091. The next prime is 11331303167. The reversal of 11331303144 is 44130313311.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1819524 + ... + 1825740.

It is an arithmetic number, because the mean of its divisors is an integer number (266752200).

Almost surely, 2^11331303144 is an apocalyptic number.

11331303144 is a gapful number since it is divisible by the number (14) 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 11331303144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17072140800).

11331303144 is an abundant number, since it is smaller than the sum of its proper divisors (22812978456).

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

11331303144 is a wasteful number, since it uses less digits than its factorization.

11331303144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6823 (or 6819 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 11331303144 its reverse (44130313311), we get a palindrome (55461616455).

The spelling of 11331303144 in words is "eleven billion, three hundred thirty-one million, three hundred three thousand, one hundred forty-four".