11594778647 has 2 divisors, whose sum is σ = 11594778648. Its totient is φ = 11594778646.

The previous prime is 11594778553. The next prime is 11594778661. The reversal of 11594778647 is 74687749511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11594778647 - 2¹⁶ = 11594713111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11594778667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5797389323 + 5797389324.

It is an arithmetic number, because the mean of its divisors is an integer number (5797389324).

Almost surely, 2^11594778647 is an apocalyptic number.

11594778647 is a deficient number, since it is larger than the sum of its proper divisors (1).

11594778647 is an equidigital number, since it uses as much as digits as its factorization.

11594778647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11854080, while the sum is 59.

The spelling of 11594778647 in words is "eleven billion, five hundred ninety-four million, seven hundred seventy-eight thousand, six hundred forty-seven".