11134154240 has 160 divisors (see below), whose sum is σ = 29250270720. Its totient is φ = 4031078400.

The previous prime is 11134154221. The next prime is 11134154243. The reversal of 11134154240 is 4245143111.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11134154243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7630631 + ... + 7632089.

It is an arithmetic number, because the mean of its divisors is an integer number (182814192).

Almost surely, 2^11134154240 is an apocalyptic number.

11134154240 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 11134154240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14625135360).

11134154240 is an abundant number, since it is smaller than the sum of its proper divisors (18116116480).

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

11134154240 is a wasteful number, since it uses less digits than its factorization.

11134154240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764 (or 1748 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 11134154240 its reverse (4245143111), we get a palindrome (15379297351).

The spelling of 11134154240 in words is "eleven billion, one hundred thirty-four million, one hundred fifty-four thousand, two hundred forty".