11650120266 has 8 divisors (see below), whose sum is σ = 23300240544. Its totient is φ = 3883373420.

The previous prime is 11650120259. The next prime is 11650120289. The reversal of 11650120266 is 66202105611.

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

11650120266 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 970843350 + ... + 970843361.

It is an arithmetic number, because the mean of its divisors is an integer number (2912530068).

Almost surely, 2^11650120266 is an apocalyptic number.

11650120266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11650120266 is a wasteful number, since it uses less digits than its factorization.

11650120266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941686716.

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 11650120266 its reverse (66202105611), we get a palindrome (77852225877).

The spelling of 11650120266 in words is "eleven billion, six hundred fifty million, one hundred twenty thousand, two hundred sixty-six".