11850808133 has 2 divisors, whose sum is σ = 11850808134. Its totient is φ = 11850808132.

The previous prime is 11850808043. The next prime is 11850808139. The reversal of 11850808133 is 33180805811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6661334689 + 5189473444 = 81617^2 + 72038^2 .

It is a cyclic number.

It is not a de Polignac number, because 11850808133 - 2²⁶ = 11783699269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11850808139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5925404066 + 5925404067.

It is an arithmetic number, because the mean of its divisors is an integer number (5925404067).

Almost surely, 2^11850808133 is an apocalyptic number.

It is an amenable number.

11850808133 is a deficient number, since it is larger than the sum of its proper divisors (1).

11850808133 is an equidigital number, since it uses as much as digits as its factorization.

11850808133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 38.

The spelling of 11850808133 in words is "eleven billion, eight hundred fifty million, eight hundred eight thousand, one hundred thirty-three".