11081023 has 4 divisors (see below), whose sum is σ = 11112768. Its totient is φ = 11049280.

The previous prime is 11081017. The next prime is 11081033. The reversal of 11081023 is 32018011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11081023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11080988 and 11081006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11081003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15343 + ... + 16048.

It is an arithmetic number, because the mean of its divisors is an integer number (2778192).

Almost surely, 2^11081023 is an apocalyptic number.

11081023 is a deficient number, since it is larger than the sum of its proper divisors (31745).

11081023 is an equidigital number, since it uses as much as digits as its factorization.

11081023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31744.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 11081023 is about 3328.8170571541. The cubic root of 11081023 is about 222.9427148800.

Adding to 11081023 its reverse (32018011), we get a palindrome (43099034).

The spelling of 11081023 in words is "eleven million, eighty-one thousand, twenty-three".