11225355181 has 2 divisors, whose sum is σ = 11225355182. Its totient is φ = 11225355180.

The previous prime is 11225355179. The next prime is 11225355199. The reversal of 11225355181 is 18155352211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9675673225 + 1549681956 = 98365^2 + 39366^2 .

It is an emirp because it is prime and its reverse (18155352211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11225355181 - 2¹ = 11225355179 is a prime.

It is a super-2 number, since 2×11225355181² (a number of 21 digits) contains 22 as substring.

Together with 11225355179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11225355151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5612677590 + 5612677591.

It is an arithmetic number, because the mean of its divisors is an integer number (5612677591).

Almost surely, 2^11225355181 is an apocalyptic number.

It is an amenable number.

11225355181 is a deficient number, since it is larger than the sum of its proper divisors (1).

11225355181 is an equidigital number, since it uses as much as digits as its factorization.

11225355181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12000, while the sum is 34.

The spelling of 11225355181 in words is "eleven billion, two hundred twenty-five million, three hundred fifty-five thousand, one hundred eighty-one".