11880885 has 16 divisors (see below), whose sum is σ = 19524096. Its totient is φ = 6164928.

The previous prime is 11880863. The next prime is 11880893. The reversal of 11880885 is 58808811.

It is not a de Polignac number, because 11880885 - 2⁶ = 11880821 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 10149 + ... + 11258.

It is an arithmetic number, because the mean of its divisors is an integer number (1220256).

Almost surely, 2^11880885 is an apocalyptic number.

11880885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11880885 is a deficient number, since it is larger than the sum of its proper divisors (7643211).

11880885 is a wasteful number, since it uses less digits than its factorization.

11880885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21452.

The product of its (nonzero) digits is 20480, while the sum is 39.

The square root of 11880885 is about 3446.8659678032. The cubic root of 11880885 is about 228.1828135200.

It can be divided in two parts, 118 and 80885, that added together give a triangular number (81003 = T₄₀₂).

The spelling of 11880885 in words is "eleven million, eight hundred eighty thousand, eight hundred eighty-five".