11594227409 has 16 divisors (see below), whose sum is σ = 12453134400. Its totient is φ = 10755187200.

The previous prime is 11594227397. The next prime is 11594227423. The reversal of 11594227409 is 90472249511.

It is a cyclic number.

It is not a de Polignac number, because 11594227409 - 2²⁴ = 11577450193 is a prime.

It is a super-2 number, since 2×11594227409² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11594227409.

It is not an unprimeable number, because it can be changed into a prime (11594227009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2602634 + ... + 2607084.

It is an arithmetic number, because the mean of its divisors is an integer number (778320900).

Almost surely, 2^11594227409 is an apocalyptic number.

It is an amenable number.

11594227409 is a deficient number, since it is larger than the sum of its proper divisors (858906991).

11594227409 is a wasteful number, since it uses less digits than its factorization.

11594227409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6640.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 11594227409 in words is "eleven billion, five hundred ninety-four million, two hundred twenty-seven thousand, four hundred nine".