11281082 has 4 divisors (see below), whose sum is σ = 16921626. Its totient is φ = 5640540.

The previous prime is 11281073. The next prime is 11281091. The reversal of 11281082 is 28018211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11281073) and next prime (11281091).

It can be written as a sum of positive squares in only one way, i.e., 7123561 + 4157521 = 2669^2 + 2039^2 .

It is a super-2 number, since 2×11281082² = 254525622181448, which contains 22 as substring.

It is a nialpdrome in base 15.

It is an unprimeable number.

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, 2820269 + ... + 2820272.

Almost surely, 2^11281082 is an apocalyptic number.

11281082 is a deficient number, since it is larger than the sum of its proper divisors (5640544).

11281082 is an equidigital number, since it uses as much as digits as its factorization.

11281082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5640543.

The product of its (nonzero) digits is 256, while the sum is 23.

The square root of 11281082 is about 3358.7322012926. The cubic root of 11281082 is about 224.2764046450.

Adding to 11281082 its reverse (28018211), we get a palindrome (39299293).

The spelling of 11281082 in words is "eleven million, two hundred eighty-one thousand, eighty-two".