11144420508 has 48 divisors (see below), whose sum is σ = 28095267200. Its totient is φ = 3417868224.

The previous prime is 11144420491. The next prime is 11144420509. The reversal of 11144420508 is 80502444111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11144420509) 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, 68458 + ... + 164241.

Almost surely, 2^11144420508 is an apocalyptic number.

It is an amenable number.

11144420508 is an abundant number, since it is smaller than the sum of its proper divisors (16950846692).

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

11144420508 is a wasteful number, since it uses less digits than its factorization.

11144420508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233026 (or 233024 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

Adding to 11144420508 its reverse (80502444111), we get a palindrome (91646864619).

The spelling of 11144420508 in words is "eleven billion, one hundred forty-four million, four hundred twenty thousand, five hundred eight".