11144204140 has 72 divisors (see below), whose sum is σ = 26169146640. Its totient is φ = 3974611968.

The previous prime is 11144204117. The next prime is 11144204161. The reversal of 11144204140 is 4140244111.

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, 59082 + ... + 160558.

It is an arithmetic number, because the mean of its divisors is an integer number (363460370).

Almost surely, 2^11144204140 is an apocalyptic number.

11144204140 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 11144204140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13084573320).

11144204140 is an abundant number, since it is smaller than the sum of its proper divisors (15024942500).

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

11144204140 is a wasteful number, since it uses less digits than its factorization.

11144204140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101539 (or 101520 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 11144204140 its reverse (4140244111), we get a palindrome (15284448251).

The spelling of 11144204140 in words is "eleven billion, one hundred forty-four million, two hundred four thousand, one hundred forty".