11880005 has 8 divisors (see below), whose sum is σ = 14278272. Its totient is φ = 9489168.

The previous prime is 11879999. The next prime is 11880023. The reversal of 11880005 is 50008811.

11880005 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 11880005 - 2²² = 7685701 is a prime.

It is a super-2 number, since 2×11880005² = 282269037600050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2672 + ... + 5558.

It is an arithmetic number, because the mean of its divisors is an integer number (1784784).

Almost surely, 2^11880005 is an apocalyptic number.

It is an amenable number.

11880005 is a deficient number, since it is larger than the sum of its proper divisors (2398267).

11880005 is an equidigital number, since it uses as much as digits as its factorization.

11880005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3715.

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 11880005 is about 3446.7383132463. The cubic root of 11880005 is about 228.1771796571.

Adding to 11880005 its reverse (50008811), we get a palindrome (61888816).

The spelling of 11880005 in words is "eleven million, eight hundred eighty thousand, five".