11411244520 has 32 divisors (see below), whose sum is σ = 27650324520. Its totient is φ = 4213382400.

The previous prime is 11411244499. The next prime is 11411244521. The reversal of 11411244520 is 2544211411.

It can be written as a sum of positive squares in 4 ways, for example, as 5505936804 + 5905307716 = 74202^2 + 76846^2 .

It is not an unprimeable number, because it can be changed into a prime (11411244521) 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, 10971831 + ... + 10972870.

Almost surely, 2^11411244520 is an apocalyptic number.

11411244520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11411244520 is an abundant number, since it is smaller than the sum of its proper divisors (16239080000).

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

11411244520 is a wasteful number, since it uses less digits than its factorization.

11411244520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21944725 (or 21944721 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 11411244520 its reverse (2544211411), we get a palindrome (13955455931).

The spelling of 11411244520 in words is "eleven billion, four hundred eleven million, two hundred forty-four thousand, five hundred twenty".