11115241340 has 72 divisors (see below), whose sum is σ = 27525082032. Its totient is φ = 3758711040.

The previous prime is 11115241337. The next prime is 11115241439. The reversal of 11115241340 is 4314251111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6146 + ... + 149225.

It is an arithmetic number, because the mean of its divisors is an integer number (382292806).

Almost surely, 2^11115241340 is an apocalyptic number.

11115241340 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 11115241340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13762541016).

11115241340 is an abundant number, since it is smaller than the sum of its proper divisors (16409840692).

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

11115241340 is a wasteful number, since it uses less digits than its factorization.

11115241340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155467 (or 155458 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 11115241340 its reverse (4314251111), we get a palindrome (15429492451).

The spelling of 11115241340 in words is "eleven billion, one hundred fifteen million, two hundred forty-one thousand, three hundred forty".