11616868147 has 4 divisors (see below), whose sum is σ = 12228282280. Its totient is φ = 11005454016.

The previous prime is 11616868103. The next prime is 11616868157. The reversal of 11616868147 is 74186861611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11616868147 - 2¹¹ = 11616866099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11616868147.

It is not an unprimeable number, because it can be changed into a prime (11616868157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305707038 + ... + 305707075.

It is an arithmetic number, because the mean of its divisors is an integer number (3057070570).

Almost surely, 2^11616868147 is an apocalyptic number.

11616868147 is a deficient number, since it is larger than the sum of its proper divisors (611414133).

11616868147 is an equidigital number, since it uses as much as digits as its factorization.

11616868147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611414132.

The product of its digits is 387072, while the sum is 49.

The spelling of 11616868147 in words is "eleven billion, six hundred sixteen million, eight hundred sixty-eight thousand, one hundred forty-seven".