11354100509 has 2 divisors, whose sum is σ = 11354100510. Its totient is φ = 11354100508.

The previous prime is 11354100473. The next prime is 11354100553. The reversal of 11354100509 is 90500145311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10568868025 + 785232484 = 102805^2 + 28022^2 .

It is a cyclic number.

It is not a de Polignac number, because 11354100509 - 2⁸ = 11354100253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11354100599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5677050254 + 5677050255.

It is an arithmetic number, because the mean of its divisors is an integer number (5677050255).

Almost surely, 2^11354100509 is an apocalyptic number.

It is an amenable number.

11354100509 is a deficient number, since it is larger than the sum of its proper divisors (1).

11354100509 is an equidigital number, since it uses as much as digits as its factorization.

11354100509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 29.

The spelling of 11354100509 in words is "eleven billion, three hundred fifty-four million, one hundred thousand, five hundred nine".