11144523140 has 12 divisors (see below), whose sum is σ = 23403498636. Its totient is φ = 4457809248.

The previous prime is 11144523107. The next prime is 11144523149. The reversal of 11144523140 is 4132544111.

It can be written as a sum of positive squares in 2 ways, for example, as 2347208704 + 8797314436 = 48448^2 + 93794^2 .

It is not an unprimeable number, because it can be changed into a prime (11144523149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278613059 + ... + 278613098.

It is an arithmetic number, because the mean of its divisors is an integer number (1950291553).

Almost surely, 2^11144523140 is an apocalyptic number.

11144523140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11144523140 is an abundant number, since it is smaller than the sum of its proper divisors (12258975496).

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

11144523140 is a wasteful number, since it uses less digits than its factorization.

11144523140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557226166 (or 557226164 counting only the distinct ones).

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

It can be divided in two parts, 1114 and 4523140, that added together give a palindrome (4524254).

The spelling of 11144523140 in words is "eleven billion, one hundred forty-four million, five hundred twenty-three thousand, one hundred forty".