11281755 has 8 divisors (see below), whose sum is σ = 18050832. Its totient is φ = 6016928.

The previous prime is 11281747. The next prime is 11281757. The reversal of 11281755 is 55718211.

11281755 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11281755 - 2³ = 11281747 is a prime.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11281757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376044 + ... + 376073.

It is an arithmetic number, because the mean of its divisors is an integer number (2256354).

Almost surely, 2^11281755 is an apocalyptic number.

11281755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11281755 is a deficient number, since it is larger than the sum of its proper divisors (6769077).

11281755 is an equidigital number, since it uses as much as digits as its factorization.

11281755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752125.

The product of its digits is 2800, while the sum is 30.

The square root of 11281755 is about 3358.8323864105. The cubic root of 11281755 is about 224.2808644719.

Adding to 11281755 its reverse (55718211), we get a palindrome (66999966).

The spelling of 11281755 in words is "eleven million, two hundred eighty-one thousand, seven hundred fifty-five".