11455234309 has 2 divisors, whose sum is σ = 11455234310. Its totient is φ = 11455234308.

The previous prime is 11455234289. The next prime is 11455234327. The reversal of 11455234309 is 90343255411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11357164900 + 98069409 = 106570^2 + 9903^2 .

It is an emirp because it is prime and its reverse (90343255411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11455234309 - 2⁵ = 11455234277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11455234379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5727617154 + 5727617155.

It is an arithmetic number, because the mean of its divisors is an integer number (5727617155).

Almost surely, 2^11455234309 is an apocalyptic number.

It is an amenable number.

11455234309 is a deficient number, since it is larger than the sum of its proper divisors (1).

11455234309 is an equidigital number, since it uses as much as digits as its factorization.

11455234309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 11455234309 in words is "eleven billion, four hundred fifty-five million, two hundred thirty-four thousand, three hundred nine".