11605650065687 has 2 divisors, whose sum is σ = 11605650065688. Its totient is φ = 11605650065686.

The previous prime is 11605650065629. The next prime is 11605650065729. The reversal of 11605650065687 is 78656005650611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11605650065687 - 2¹⁰ = 11605650064663 is a prime.

It is a super-2 number, since 2×11605650065687² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11605650025687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5802825032843 + 5802825032844.

It is an arithmetic number, because the mean of its divisors is an integer number (5802825032844).

Almost surely, 2^{11605650065687} is an apocalyptic number.

11605650065687 is a deficient number, since it is larger than the sum of its proper divisors (1).

11605650065687 is an equidigital number, since it uses as much as digits as its factorization.

11605650065687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072000, while the sum is 56.

The spelling of 11605650065687 in words is "eleven trillion, six hundred five billion, six hundred fifty million, sixty-five thousand, six hundred eighty-seven".