11144052441541 has 4 divisors (see below), whose sum is σ = 11144139871500. Its totient is φ = 11143965011584.

The previous prime is 11144052441449. The next prime is 11144052441547. The reversal of 11144052441541 is 14514425044111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9436286997316 + 1707765444225 = 3071854^2 + 1306815^2 .

It is a cyclic number.

It is not a de Polignac number, because 11144052441541 - 2⁹ = 11144052441029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11144052441541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11144052441547) 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, 43523506 + ... + 43778803.

It is an arithmetic number, because the mean of its divisors is an integer number (2786034967875).

Almost surely, 2^{11144052441541} is an apocalyptic number.

It is an amenable number.

11144052441541 is a deficient number, since it is larger than the sum of its proper divisors (87429959).

11144052441541 is an equidigital number, since it uses as much as digits as its factorization.

11144052441541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87429958.

The product of its (nonzero) digits is 51200, while the sum is 37.

Adding to 11144052441541 its reverse (14514425044111), we get a palindrome (25658477485652).

The spelling of 11144052441541 in words is "eleven trillion, one hundred forty-four billion, fifty-two million, four hundred forty-one thousand, five hundred forty-one".