11516654650 has 12 divisors (see below), whose sum is σ = 21420977742. Its totient is φ = 4606661840.

The previous prime is 11516654647. The next prime is 11516654671. The reversal of 11516654650 is 5645661511.

11516654650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 8856880321 + 2659774329 = 94111^2 + 51573^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115166497 + ... + 115166596.

Almost surely, 2^11516654650 is an apocalyptic number.

11516654650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11516654650 is a deficient number, since it is larger than the sum of its proper divisors (9904323092).

11516654650 is a wasteful number, since it uses less digits than its factorization.

11516654650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230333105 (or 230333100 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 11516654650 in words is "eleven billion, five hundred sixteen million, six hundred fifty-four thousand, six hundred fifty".