11283273821 has 2 divisors, whose sum is σ = 11283273822. Its totient is φ = 11283273820.

The previous prime is 11283273797. The next prime is 11283273863. The reversal of 11283273821 is 12837238211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6294676921 + 4988596900 = 79339^2 + 70630^2 .

It is a cyclic number.

It is not a de Polignac number, because 11283273821 - 2²² = 11279079517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11283273871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5641636910 + 5641636911.

It is an arithmetic number, because the mean of its divisors is an integer number (5641636911).

Almost surely, 2^11283273821 is an apocalyptic number.

It is an amenable number.

11283273821 is a deficient number, since it is larger than the sum of its proper divisors (1).

11283273821 is an equidigital number, since it uses as much as digits as its factorization.

11283273821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 38.

The spelling of 11283273821 in words is "eleven billion, two hundred eighty-three million, two hundred seventy-three thousand, eight hundred twenty-one".