11201240441 has 4 divisors (see below), whose sum is σ = 11210630772. Its totient is φ = 11191850112.

The previous prime is 11201240429. The next prime is 11201240443. The reversal of 11201240441 is 14404210211.

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 8620194025 + 2581046416 = 92845^2 + 50804^2 .

It is a cyclic number.

It is not a de Polignac number, because 11201240441 - 2¹⁴ = 11201224057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11201240443) 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, 4693376 + ... + 4695761.

It is an arithmetic number, because the mean of its divisors is an integer number (2802657693).

Almost surely, 2^11201240441 is an apocalyptic number.

It is an amenable number.

11201240441 is a deficient number, since it is larger than the sum of its proper divisors (9390331).

11201240441 is an equidigital number, since it uses as much as digits as its factorization.

11201240441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9390330.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11201240441 its reverse (14404210211), we get a palindrome (25605450652).

The spelling of 11201240441 in words is "eleven billion, two hundred one million, two hundred forty thousand, four hundred forty-one".