11111650005 has 64 divisors (see below), whose sum is σ = 18976239360. Its totient is φ = 5541451776.

The previous prime is 11111650001. The next prime is 11111650019. The reversal of 11111650005 is 50005611111.

It is a happy number.

11111650005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11111650005 - 2² = 11111650001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111650001) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 3748654 + ... + 3751616.

It is an arithmetic number, because the mean of its divisors is an integer number (296503740).

Almost surely, 2^11111650005 is an apocalyptic number.

11111650005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11111650005 is a deficient number, since it is larger than the sum of its proper divisors (7864589355).

11111650005 is a wasteful number, since it uses less digits than its factorization.

11111650005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3270.

The product of its (nonzero) digits is 150, while the sum is 21.

The spelling of 11111650005 in words is "eleven billion, one hundred eleven million, six hundred fifty thousand, five".