11481856 has 18 divisors (see below), whose sum is σ = 22919372. Its totient is φ = 5740800.

The previous prime is 11481839. The next prime is 11481859. The reversal of 11481856 is 65818411.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11481859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22170 + ... + 22681.

Almost surely, 2^11481856 is an apocalyptic number.

11481856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11481856 is a deficient number, since it is larger than the sum of its proper divisors (11437516).

11481856 is an frugal number, since it uses more digits than its factorization.

11481856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44867 (or 44853 counting only the distinct ones).

The product of its digits is 7680, while the sum is 34.

The square root of 11481856 is about 3388.4887486902. The cubic root of 11481856 is about 225.5991013159.

The spelling of 11481856 in words is "eleven million, four hundred eighty-one thousand, eight hundred fifty-six".