11815284179 has 6 divisors (see below), whose sum is σ = 11906730924. Its totient is φ = 11723856560.

The previous prime is 11815284167. The next prime is 11815284203. The reversal of 11815284179 is 97148251811.

It is not a de Polignac number, because 11815284179 - 2¹⁶ = 11815218643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11815284079) 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 5 ways as a sum of consecutive naturals, for example, 1239359 + ... + 1248855.

It is an arithmetic number, because the mean of its divisors is an integer number (1984455154).

Almost surely, 2^11815284179 is an apocalyptic number.

11815284179 is a deficient number, since it is larger than the sum of its proper divisors (91446745).

11815284179 is an frugal number, since it uses more digits than its factorization.

11815284179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19125 (or 9628 counting only the distinct ones).

The product of its digits is 161280, while the sum is 47.

The spelling of 11815284179 in words is "eleven billion, eight hundred fifteen million, two hundred eighty-four thousand, one hundred seventy-nine".