11605317712 has 10 divisors (see below), whose sum is σ = 22485303098. Its totient is φ = 5802658848.

The previous prime is 11605317707. The next prime is 11605317719. The reversal of 11605317712 is 21771350611.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11224131136 + 381186576 = 105944^2 + 19524^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11605317719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362666163 + ... + 362666194.

Almost surely, 2^11605317712 is an apocalyptic number.

It is an amenable number.

11605317712 is a deficient number, since it is larger than the sum of its proper divisors (10879985386).

11605317712 is an equidigital number, since it uses as much as digits as its factorization.

11605317712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725332365 (or 725332359 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 34.

The spelling of 11605317712 in words is "eleven billion, six hundred five million, three hundred seventeen thousand, seven hundred twelve".