11605550004647 has 2 divisors, whose sum is σ = 11605550004648. Its totient is φ = 11605550004646.

The previous prime is 11605550004623. The next prime is 11605550004677. The reversal of 11605550004647 is 74640005550611.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11605550004647 is a prime.

It is a super-3 number, since 3×11605550004647³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11605550004598 and 11605550004607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11605550004677) 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, 5802775002323 + 5802775002324.

It is an arithmetic number, because the mean of its divisors is an integer number (5802775002324).

Almost surely, 2^{11605550004647} is an apocalyptic number.

11605550004647 is a deficient number, since it is larger than the sum of its proper divisors (1).

11605550004647 is an equidigital number, since it uses as much as digits as its factorization.

11605550004647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504000, while the sum is 44.

The spelling of 11605550004647 in words is "eleven trillion, six hundred five billion, five hundred fifty million, four thousand, six hundred forty-seven".