11212557163 has 2 divisors, whose sum is σ = 11212557164. Its totient is φ = 11212557162.

The previous prime is 11212557157. The next prime is 11212557203. The reversal of 11212557163 is 36175521211.

It is a weak prime.

It is an emirp because it is prime and its reverse (36175521211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11212557163 - 2⁵ = 11212557131 is a prime.

It is not a weakly prime, because it can be changed into another prime (11212557113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606278581 + 5606278582.

It is an arithmetic number, because the mean of its divisors is an integer number (5606278582).

Almost surely, 2^11212557163 is an apocalyptic number.

11212557163 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212557163 is an equidigital number, since it uses as much as digits as its factorization.

11212557163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 34.

The spelling of 11212557163 in words is "eleven billion, two hundred twelve million, five hundred fifty-seven thousand, one hundred sixty-three".