11457856 has 14 divisors (see below), whose sum is σ = 22736810. Its totient is φ = 5728896.

The previous prime is 11457851. The next prime is 11457857. The reversal of 11457856 is 65875411.

11457856 = T₂₄₅ + T₂₄₆ + ... + T₄₃₆.

It can be written as a sum of positive squares in only one way, i.e., 11451456 + 6400 = 3384^2 + 80^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11457851) by changing a digit.

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 as a sum of consecutive naturals, namely, 89451 + ... + 89578.

Almost surely, 2^11457856 is an apocalyptic number.

11457856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11457856 is a deficient number, since it is larger than the sum of its proper divisors (11278954).

11457856 is an equidigital number, since it uses as much as digits as its factorization.

11457856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179041 (or 179031 counting only the distinct ones).

The product of its digits is 33600, while the sum is 37.

The square root of 11457856 is about 3384.9454943913. The cubic root of 11457856 is about 225.4418051641.

It can be divided in two parts, 114 and 57856, that added together give a triangular number (57970 = T₃₄₀).

The spelling of 11457856 in words is "eleven million, four hundred fifty-seven thousand, eight hundred fifty-six".