11304120340309 has 2 divisors, whose sum is σ = 11304120340310. Its totient is φ = 11304120340308.

The previous prime is 11304120340291. The next prime is 11304120340313. The reversal of 11304120340309 is 90304302140311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8198429624100 + 3105690716209 = 2863290^2 + 1762297^2 .

It is a cyclic number.

It is not a de Polignac number, because 11304120340309 - 2⁷ = 11304120340181 is a prime.

It is a super-3 number, since 3×11304120340309³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11304120340379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5652060170154 + 5652060170155.

It is an arithmetic number, because the mean of its divisors is an integer number (5652060170155).

Almost surely, 2^{11304120340309} is an apocalyptic number.

It is an amenable number.

11304120340309 is a deficient number, since it is larger than the sum of its proper divisors (1).

11304120340309 is an equidigital number, since it uses as much as digits as its factorization.

11304120340309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 11304120340309 in words is "eleven trillion, three hundred four billion, one hundred twenty million, three hundred forty thousand, three hundred nine".