11550506113 has 2 divisors, whose sum is σ = 11550506114. Its totient is φ = 11550506112.

The previous prime is 11550506089. The next prime is 11550506119. The reversal of 11550506113 is 31160505511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11086405264 + 464100849 = 105292^2 + 21543^2 .

It is a cyclic number.

It is not a de Polignac number, because 11550506113 - 2¹³ = 11550497921 is a prime.

It is not a weakly prime, because it can be changed into another prime (11550506119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5775253056 + 5775253057.

It is an arithmetic number, because the mean of its divisors is an integer number (5775253057).

Almost surely, 2^11550506113 is an apocalyptic number.

It is an amenable number.

11550506113 is a deficient number, since it is larger than the sum of its proper divisors (1).

11550506113 is an equidigital number, since it uses as much as digits as its factorization.

11550506113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250, while the sum is 28.

The spelling of 11550506113 in words is "eleven billion, five hundred fifty million, five hundred six thousand, one hundred thirteen".