11173888 has 64 divisors (see below), whose sum is σ = 25165440. Its totient is φ = 4915200.

The previous prime is 11173873. The next prime is 11173969. The reversal of 11173888 is 88837111.

It is a tau number, because it is divible by the number of its divisors (64).

It is a nialpdrome in base 4 and base 16.

It is a zygodrome in base 4.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360433 + ... + 360463.

It is an arithmetic number, because the mean of its divisors is an integer number (393210).

Almost surely, 2^11173888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11173888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12582720).

11173888 is an abundant number, since it is smaller than the sum of its proper divisors (13991552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11173888 is an frugal number, since it uses more digits than its factorization.

11173888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 44 counting only the distinct ones).

The product of its digits is 10752, while the sum is 37.

The square root of 11173888 is about 3342.7366034434. The cubic root of 11173888 is about 223.5637768902.

It can be divided in two parts, 1117 and 3888, that added together give a palindrome (5005).

The spelling of 11173888 in words is "eleven million, one hundred seventy-three thousand, eight hundred eighty-eight".