11271808829 has 2 divisors, whose sum is σ = 11271808830. Its totient is φ = 11271808828.

The previous prime is 11271808799. The next prime is 11271808859. The reversal of 11271808829 is 92880817211.

It is a balanced prime because it is at equal distance from previous prime (11271808799) and next prime (11271808859).

It can be written as a sum of positive squares in only one way, i.e., 8667237604 + 2604571225 = 93098^2 + 51035^2 .

It is a cyclic number.

It is not a de Polignac number, because 11271808829 - 2²⁸ = 11003373373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11271808859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5635904414 + 5635904415.

It is an arithmetic number, because the mean of its divisors is an integer number (5635904415).

Almost surely, 2^11271808829 is an apocalyptic number.

It is an amenable number.

11271808829 is a deficient number, since it is larger than the sum of its proper divisors (1).

11271808829 is an equidigital number, since it uses as much as digits as its factorization.

11271808829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 47.

The spelling of 11271808829 in words is "eleven billion, two hundred seventy-one million, eight hundred eight thousand, eight hundred twenty-nine".