11881888 has 24 divisors (see below), whose sum is σ = 23556960. Its totient is φ = 5899200.

The previous prime is 11881879. The next prime is 11881901. The reversal of 11881888 is 88818811.

It is a nude number because it is divisible by every one of its digits.

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 3 ways as a sum of consecutive naturals, for example, 3603 + ... + 6061.

It is an arithmetic number, because the mean of its divisors is an integer number (981540).

Almost surely, 2^11881888 is an apocalyptic number.

It is an amenable number.

11881888 is a deficient number, since it is larger than the sum of its proper divisors (11675072).

11881888 is a wasteful number, since it uses less digits than its factorization.

11881888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620 (or 2612 counting only the distinct ones).

The product of its digits is 32768, while the sum is 43.

The square root of 11881888 is about 3447.0114592209. The cubic root of 11881888 is about 228.1892345041.

It can be divided in two parts, 11881 and 888, that added together give a square (12769 = 113²).

The spelling of 11881888 in words is "eleven million, eight hundred eighty-one thousand, eight hundred eighty-eight".