11755885 has 8 divisors (see below), whose sum is σ = 14132376. Its totient is φ = 9387840.

The previous prime is 11755879. The next prime is 11755903. The reversal of 11755885 is 58855711.

It can be written as a sum of positive squares in 4 ways, for example, as 806404 + 10949481 = 898^2 + 3309^2 .

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

It is not a de Polignac number, because 11755885 - 2⁵ = 11755853 is a prime.

It is a super-3 number, since 3×11755885³ (a number of 22 digits) contains 333 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1527 + ... + 5083.

It is an arithmetic number, because the mean of its divisors is an integer number (1766547).

Almost surely, 2^11755885 is an apocalyptic number.

It is an amenable number.

11755885 is a deficient number, since it is larger than the sum of its proper divisors (2376491).

11755885 is an equidigital number, since it uses as much as digits as its factorization.

11755885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4223.

The product of its digits is 56000, while the sum is 40.

The square root of 11755885 is about 3428.6856082178. The cubic root of 11755885 is about 227.3797456477.

The spelling of 11755885 in words is "eleven million, seven hundred fifty-five thousand, eight hundred eighty-five".