11443566379 has 6 divisors (see below), whose sum is σ = 13311903804. Its totient is φ = 9808771140.

The previous prime is 11443566353. The next prime is 11443566401. The reversal of 11443566379 is 97366534411.

It is not a de Polignac number, because 11443566379 - 2⁵ = 11443566347 is a prime.

It is a super-2 number, since 2×11443566379² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 233542171 = 11443566379 / (1 + 1 + 4 + 4 + 3 + 5 + 6 + 6 + 3 + 7 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11443561379) 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, 116771037 + ... + 116771134.

It is an arithmetic number, because the mean of its divisors is an integer number (2218650634).

Almost surely, 2^11443566379 is an apocalyptic number.

11443566379 is a deficient number, since it is larger than the sum of its proper divisors (1868337425).

11443566379 is an equidigital number, since it uses as much as digits as its factorization.

11443566379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233542185 (or 233542178 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 49.

The spelling of 11443566379 in words is "eleven billion, four hundred forty-three million, five hundred sixty-six thousand, three hundred seventy-nine".