11224331540 has 12 divisors (see below), whose sum is σ = 23571096276. Its totient is φ = 4489732608.

The previous prime is 11224331539. The next prime is 11224331597. The reversal of 11224331540 is 4513342211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1655187856 + 9569143684 = 40684^2 + 97822^2 .

It is a congruent number.

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, 280608269 + ... + 280608308.

It is an arithmetic number, because the mean of its divisors is an integer number (1964258023).

Almost surely, 2^11224331540 is an apocalyptic number.

11224331540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11224331540 is an abundant number, since it is smaller than the sum of its proper divisors (12346764736).

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

11224331540 is a wasteful number, since it uses less digits than its factorization.

11224331540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561216586 (or 561216584 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 11224331540 its reverse (4513342211), we get a palindrome (15737673751).

The spelling of 11224331540 in words is "eleven billion, two hundred twenty-four million, three hundred thirty-one thousand, five hundred forty".