11238203124 has 108 divisors (see below), whose sum is σ = 30592467724. Its totient is φ = 3477178368.

The previous prime is 11238203101. The next prime is 11238203131. The reversal of 11238203124 is 42130283211.

It can be written as a sum of positive squares in 6 ways, for example, as 754491024 + 10483712100 = 27468^2 + 102390^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 752094 + ... + 766890.

Almost surely, 2^11238203124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11238203124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15296233862).

11238203124 is an abundant number, since it is smaller than the sum of its proper divisors (19354264600).

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

11238203124 is a wasteful number, since it uses less digits than its factorization.

11238203124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14914 (or 14892 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 11238203124 its reverse (42130283211), we get a palindrome (53368486335).

The spelling of 11238203124 in words is "eleven billion, two hundred thirty-eight million, two hundred three thousand, one hundred twenty-four".