11154050213 has 2 divisors, whose sum is σ = 11154050214. Its totient is φ = 11154050212.

The previous prime is 11154050191. The next prime is 11154050221. The reversal of 11154050213 is 31205045111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10924012324 + 230037889 = 104518^2 + 15167^2 .

It is a cyclic number.

It is not a de Polignac number, because 11154050213 - 2¹⁰ = 11154049189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11154050233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5577025106 + 5577025107.

It is an arithmetic number, because the mean of its divisors is an integer number (5577025107).

Almost surely, 2^11154050213 is an apocalyptic number.

It is an amenable number.

11154050213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11154050213 is an equidigital number, since it uses as much as digits as its factorization.

11154050213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 11154050213 its reverse (31205045111), we get a palindrome (42359095324).

The spelling of 11154050213 in words is "eleven billion, one hundred fifty-four million, fifty thousand, two hundred thirteen".