11302306721 has 2 divisors, whose sum is σ = 11302306722. Its totient is φ = 11302306720.

The previous prime is 11302306703. The next prime is 11302306723. The reversal of 11302306721 is 12760320311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10371385600 + 930921121 = 101840^2 + 30511^2 .

It is an emirp because it is prime and its reverse (12760320311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11302306721 is a prime.

Together with 11302306723, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11302306723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5651153360 + 5651153361.

It is an arithmetic number, because the mean of its divisors is an integer number (5651153361).

Almost surely, 2^11302306721 is an apocalyptic number.

It is an amenable number.

11302306721 is a deficient number, since it is larger than the sum of its proper divisors (1).

11302306721 is an equidigital number, since it uses as much as digits as its factorization.

11302306721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The spelling of 11302306721 in words is "eleven billion, three hundred two million, three hundred six thousand, seven hundred twenty-one".