11946147067 has 4 divisors (see below), whose sum is σ = 11946417696. Its totient is φ = 11945876440.

The previous prime is 11946147047. The next prime is 11946147137. The reversal of 11946147067 is 76074164911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76074164911 = 2239 ⋅33976849.

It is a cyclic number.

It is not a de Polignac number, because 11946147067 - 2¹⁹ = 11945622779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11946147007) 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, 52003 + ... + 163084.

It is an arithmetic number, because the mean of its divisors is an integer number (2986604424).

Almost surely, 2^11946147067 is an apocalyptic number.

11946147067 is a deficient number, since it is larger than the sum of its proper divisors (270629).

11946147067 is an equidigital number, since it uses as much as digits as its factorization.

11946147067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270628.

The product of its (nonzero) digits is 254016, while the sum is 46.

The spelling of 11946147067 in words is "eleven billion, nine hundred forty-six million, one hundred forty-seven thousand, sixty-seven".