11328072709 has 2 divisors, whose sum is σ = 11328072710. Its totient is φ = 11328072708.

The previous prime is 11328072643. The next prime is 11328072719. The reversal of 11328072709 is 90727082311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9859497025 + 1468575684 = 99295^2 + 38322^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11328072709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11328072719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5664036354 + 5664036355.

It is an arithmetic number, because the mean of its divisors is an integer number (5664036355).

Almost surely, 2^11328072709 is an apocalyptic number.

It is an amenable number.

11328072709 is a deficient number, since it is larger than the sum of its proper divisors (1).

11328072709 is an equidigital number, since it uses as much as digits as its factorization.

11328072709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 40.

The spelling of 11328072709 in words is "eleven billion, three hundred twenty-eight million, seventy-two thousand, seven hundred nine".