11667228951179 has 4 divisors (see below), whose sum is σ = 12281293632840. Its totient is φ = 11053164269520.

The previous prime is 11667228951167. The next prime is 11667228951181. The reversal of 11667228951179 is 97115982276611.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11667228951179 is a prime.

It is a super-2 number, since 2×11667228951179² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11667228951139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307032340802 + ... + 307032340839.

It is an arithmetic number, because the mean of its divisors is an integer number (3070323408210).

Almost surely, 2^{11667228951179} is an apocalyptic number.

11667228951179 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11667228951179 is a deficient number, since it is larger than the sum of its proper divisors (614064681661).

11667228951179 is an equidigital number, since it uses as much as digits as its factorization.

11667228951179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614064681660.

The product of its digits is 22861440, while the sum is 65.

The spelling of 11667228951179 in words is "eleven trillion, six hundred sixty-seven billion, two hundred twenty-eight million, nine hundred fifty-one thousand, one hundred seventy-nine".