11040450361 has 2 divisors, whose sum is σ = 11040450362. Its totient is φ = 11040450360.

The previous prime is 11040450341. The next prime is 11040450389. The reversal of 11040450361 is 16305404011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5614654761 + 5425795600 = 74931^2 + 73660^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11040450361 is a prime.

It is not a weakly prime, because it can be changed into another prime (11040450341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5520225180 + 5520225181.

It is an arithmetic number, because the mean of its divisors is an integer number (5520225181).

Almost surely, 2^11040450361 is an apocalyptic number.

It is an amenable number.

11040450361 is a deficient number, since it is larger than the sum of its proper divisors (1).

11040450361 is an equidigital number, since it uses as much as digits as its factorization.

11040450361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 11040450361 its reverse (16305404011), we get a palindrome (27345854372).

The spelling of 11040450361 in words is "eleven billion, forty million, four hundred fifty thousand, three hundred sixty-one".