11546221067 has 8 divisors (see below), whose sum is σ = 11834228736. Its totient is φ = 11259099432.

The previous prime is 11546220943. The next prime is 11546221123. The reversal of 11546221067 is 76012264511.

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

It is a cyclic number.

It is not a de Polignac number, because 11546221067 - 2⁸ = 11546220811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11546221867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195083 + ... + 247284.

It is an arithmetic number, because the mean of its divisors is an integer number (1479278592).

Almost surely, 2^11546221067 is an apocalyptic number.

11546221067 is a deficient number, since it is larger than the sum of its proper divisors (288007669).

11546221067 is an equidigital number, since it uses as much as digits as its factorization.

11546221067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443017.

The product of its (nonzero) digits is 20160, while the sum is 35.

Adding to 11546221067 its reverse (76012264511), we get a palindrome (87558485578).

The spelling of 11546221067 in words is "eleven billion, five hundred forty-six million, two hundred twenty-one thousand, sixty-seven".