11897323401599 has 2 divisors, whose sum is σ = 11897323401600. Its totient is φ = 11897323401598.

The previous prime is 11897323401589. The next prime is 11897323401641. The reversal of 11897323401599 is 99510432379811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11897323401599 - 2⁸ = 11897323401343 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11897323401529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5948661700799 + 5948661700800.

It is an arithmetic number, because the mean of its divisors is an integer number (5948661700800).

Almost surely, 2^{11897323401599} is an apocalyptic number.

11897323401599 is a deficient number, since it is larger than the sum of its proper divisors (1).

11897323401599 is an equidigital number, since it uses as much as digits as its factorization.

11897323401599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14696640, while the sum is 62.

The spelling of 11897323401599 in words is "eleven trillion, eight hundred ninety-seven billion, three hundred twenty-three million, four hundred one thousand, five hundred ninety-nine".