11538256 has 10 divisors (see below), whose sum is σ = 22355402. Its totient is φ = 5769120.

The previous prime is 11538253. The next prime is 11538283. The reversal of 11538256 is 65283511.

It can be written as a sum of positive squares in only one way, i.e., 7376656 + 4161600 = 2716^2 + 2040^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11538253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360555 + ... + 360586.

Almost surely, 2^11538256 is an apocalyptic number.

11538256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11538256 is a deficient number, since it is larger than the sum of its proper divisors (10817146).

11538256 is an equidigital number, since it uses as much as digits as its factorization.

11538256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721149 (or 721143 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 11538256 is about 3396.8008478567. The cubic root of 11538256 is about 225.9678864230.

It can be divided in two parts, 1153 and 8256, that added together give a square (9409 = 97²).

The spelling of 11538256 in words is "eleven million, five hundred thirty-eight thousand, two hundred fifty-six".