11201148809 has 2 divisors, whose sum is σ = 11201148810. Its totient is φ = 11201148808.

The previous prime is 11201148799. The next prime is 11201148821. The reversal of 11201148809 is 90884110211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8648070025 + 2553078784 = 92995^2 + 50528^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11201148809 is a prime.

It is not a weakly prime, because it can be changed into another prime (11201148839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600574404 + 5600574405.

It is an arithmetic number, because the mean of its divisors is an integer number (5600574405).

Almost surely, 2^11201148809 is an apocalyptic number.

It is an amenable number.

11201148809 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201148809 is an equidigital number, since it uses as much as digits as its factorization.

11201148809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 35.

The spelling of 11201148809 in words is "eleven billion, two hundred one million, one hundred forty-eight thousand, eight hundred nine".