11597591639 has 2 divisors, whose sum is σ = 11597591640. Its totient is φ = 11597591638.

The previous prime is 11597591623. The next prime is 11597591671. The reversal of 11597591639 is 93619579511.

11597591639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (93619579511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11597591639 - 2⁴ = 11597591623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11597591699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5798795819 + 5798795820.

It is an arithmetic number, because the mean of its divisors is an integer number (5798795820).

Almost surely, 2^11597591639 is an apocalyptic number.

11597591639 is a deficient number, since it is larger than the sum of its proper divisors (1).

11597591639 is an equidigital number, since it uses as much as digits as its factorization.

11597591639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2296350, while the sum is 56.

The spelling of 11597591639 in words is "eleven billion, five hundred ninety-seven million, five hundred ninety-one thousand, six hundred thirty-nine".