11124031320 has 160 divisors (see below), whose sum is σ = 38595553920. Its totient is φ = 2870691840.

The previous prime is 11124031301. The next prime is 11124031337. The reversal of 11124031320 is 2313042111.

11124031320 is a `hidden beast` number, since 111 + 240 + 313 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11124031293 and 11124031302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 45064 + ... + 155816.

It is an arithmetic number, because the mean of its divisors is an integer number (241222212).

Almost surely, 2^11124031320 is an apocalyptic number.

11124031320 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 11124031320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19297776960).

11124031320 is an abundant number, since it is smaller than the sum of its proper divisors (27471522600).

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

11124031320 is a wasteful number, since it uses less digits than its factorization.

11124031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110807 (or 110794 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11124031320 its reverse (2313042111), we get a palindrome (13437073431).

The spelling of 11124031320 in words is "eleven billion, one hundred twenty-four million, thirty-one thousand, three hundred twenty".