11481816 has 32 divisors (see below), whose sum is σ = 28938240. Its totient is φ = 3796128.

The previous prime is 11481797. The next prime is 11481829. The reversal of 11481816 is 61818411.

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

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, 1165 + ... + 4931.

It is an arithmetic number, because the mean of its divisors is an integer number (904320).

Almost surely, 2^11481816 is an apocalyptic number.

It is an amenable number.

11481816 is an abundant number, since it is smaller than the sum of its proper divisors (17456424).

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

11481816 is a wasteful number, since it uses less digits than its factorization.

11481816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3903 (or 3899 counting only the distinct ones).

The product of its digits is 1536, while the sum is 30.

The square root of 11481816 is about 3388.4828463488. The cubic root of 11481816 is about 225.5988393381.

The spelling of 11481816 in words is "eleven million, four hundred eighty-one thousand, eight hundred sixteen".