11773850217 has 16 divisors (see below), whose sum is σ = 15758014272. Its totient is φ = 7819499520.

The previous prime is 11773850173. The next prime is 11773850219. The reversal of 11773850217 is 71205837711.

It is not a de Polignac number, because 11773850217 - 2¹⁰ = 11773849193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11773850219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1438617 + ... + 1446777.

It is an arithmetic number, because the mean of its divisors is an integer number (984875892).

Almost surely, 2^11773850217 is an apocalyptic number.

It is an amenable number.

11773850217 is a deficient number, since it is larger than the sum of its proper divisors (3984164055).

11773850217 is a wasteful number, since it uses less digits than its factorization.

11773850217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9928.

The product of its (nonzero) digits is 82320, while the sum is 42.

The spelling of 11773850217 in words is "eleven billion, seven hundred seventy-three million, eight hundred fifty thousand, two hundred seventeen".