11003145144 has 64 divisors (see below), whose sum is σ = 29210284800. Its totient is φ = 3441974784.

The previous prime is 11003145143. The next prime is 11003145163. The reversal of 11003145144 is 44154130011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11003145143) 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, 102717 + ... + 180435.

It is an arithmetic number, because the mean of its divisors is an integer number (456410700).

Almost surely, 2^11003145144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11003145144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14605142400).

11003145144 is an abundant number, since it is smaller than the sum of its proper divisors (18207139656).

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

11003145144 is a wasteful number, since it uses less digits than its factorization.

11003145144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78092 (or 78088 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 11003145144 its reverse (44154130011), we get a palindrome (55157275155).

The spelling of 11003145144 in words is "eleven billion, three million, one hundred forty-five thousand, one hundred forty-four".