11599999 has 2 divisors, whose sum is σ = 11600000. Its totient is φ = 11599998.

The previous prime is 11599979. The next prime is 11600011. The reversal of 11599999 is 99999511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11599999 - 2¹¹ = 11597951 is a prime.

11599999 is a modest number, since divided by 9999 gives 1159 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11599969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5799999 + 5800000.

It is an arithmetic number, because the mean of its divisors is an integer number (5800000).

Almost surely, 2^11599999 is an apocalyptic number.

11599999 is a deficient number, since it is larger than the sum of its proper divisors (1).

11599999 is an equidigital number, since it uses as much as digits as its factorization.

11599999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 295245, while the sum is 52.

The square root of 11599999 is about 3405.8771263802. The cubic root of 11599999 is about 226.3702326877.

The spelling of 11599999 in words is "eleven million, five hundred ninety-nine thousand, nine hundred ninety-nine".