11650116605 has 8 divisors (see below), whose sum is σ = 13980888792. Its totient is φ = 9319594048.

The previous prime is 11650116593. The next prime is 11650116619. The reversal of 11650116605 is 50661105611.

It can be written as a sum of positive squares in 4 ways, for example, as 2580030436 + 9070086169 = 50794^2 + 95237^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11650116605 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63287 + ... + 165243.

It is an arithmetic number, because the mean of its divisors is an integer number (1747611099).

Almost surely, 2^11650116605 is an apocalyptic number.

It is an amenable number.

11650116605 is a deficient number, since it is larger than the sum of its proper divisors (2330772187).

11650116605 is a wasteful number, since it uses less digits than its factorization.

11650116605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124815.

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 11650116605 in words is "eleven billion, six hundred fifty million, one hundred sixteen thousand, six hundred five".