11605549998463 has 2 divisors, whose sum is σ = 11605549998464. Its totient is φ = 11605549998462.

The previous prime is 11605549998443. The next prime is 11605549998473. The reversal of 11605549998463 is 36489994550611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11605549998463 - 2¹⁷ = 11605549867391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11605549998392 and 11605549998401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11605549998433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5802774999231 + 5802774999232.

It is an arithmetic number, because the mean of its divisors is an integer number (5802774999232).

Almost surely, 2^{11605549998463} is an apocalyptic number.

11605549998463 is a deficient number, since it is larger than the sum of its proper divisors (1).

11605549998463 is an equidigital number, since it uses as much as digits as its factorization.

11605549998463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 251942400, while the sum is 70.

The spelling of 11605549998463 in words is "eleven trillion, six hundred five billion, five hundred forty-nine million, nine hundred ninety-eight thousand, four hundred sixty-three".