11130324540 has 24 divisors (see below), whose sum is σ = 31164908880. Its totient is φ = 2968086528.

The previous prime is 11130324539. The next prime is 11130324547. The reversal of 11130324540 is 4542303111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11130324540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11130324547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92752645 + ... + 92752764.

It is an arithmetic number, because the mean of its divisors is an integer number (1298537870).

Almost surely, 2^11130324540 is an apocalyptic number.

11130324540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11130324540 is an abundant number, since it is smaller than the sum of its proper divisors (20034584340).

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

11130324540 is a wasteful number, since it uses less digits than its factorization.

11130324540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185505421 (or 185505419 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 11130324540 its reverse (4542303111), we get a palindrome (15672627651).

The spelling of 11130324540 in words is "eleven billion, one hundred thirty million, three hundred twenty-four thousand, five hundred forty".