11541344144 has 80 divisors (see below), whose sum is σ = 25259859456. Its totient is φ = 5060966400.

The previous prime is 11541344123. The next prime is 11541344197. The reversal of 11541344144 is 44144314511.

It is a self number, because there is not a number n which added to its sum of digits gives 11541344144.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1835534 + ... + 1841810.

Almost surely, 2^11541344144 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 11541344144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12629929728).

11541344144 is an abundant number, since it is smaller than the sum of its proper divisors (13718515312).

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

11541344144 is a wasteful number, since it uses less digits than its factorization.

11541344144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6664 (or 6658 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

Adding to 11541344144 its reverse (44144314511), we get a palindrome (55685658655).

The spelling of 11541344144 in words is "eleven billion, five hundred forty-one million, three hundred forty-four thousand, one hundred forty-four".