11013225161 has 2 divisors, whose sum is σ = 11013225162. Its totient is φ = 11013225160.

The previous prime is 11013225149. The next prime is 11013225173. The reversal of 11013225161 is 16152231011.

It is a balanced prime because it is at equal distance from previous prime (11013225149) and next prime (11013225173).

It can be written as a sum of positive squares in only one way, i.e., 10991425600 + 21799561 = 104840^2 + 4669^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11013225161 is a prime.

It is a super-2 number, since 2×11013225161² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11013225961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506612580 + 5506612581.

It is an arithmetic number, because the mean of its divisors is an integer number (5506612581).

Almost surely, 2^11013225161 is an apocalyptic number.

It is an amenable number.

11013225161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11013225161 is an equidigital number, since it uses as much as digits as its factorization.

11013225161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 11013225161 its reverse (16152231011), we get a palindrome (27165456172).

The spelling of 11013225161 in words is "eleven billion, thirteen million, two hundred twenty-five thousand, one hundred sixty-one".