11308081 has 4 divisors (see below), whose sum is σ = 11413872. Its totient is φ = 11202292.

The previous prime is 11308079. The next prime is 11308091. The reversal of 11308081 is 18080311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11308081 - 2¹ = 11308079 is a prime.

It is a super-2 number, since 2×11308081² = 255745391805122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11308091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52735 + ... + 52948.

It is an arithmetic number, because the mean of its divisors is an integer number (2853468).

Almost surely, 2^11308081 is an apocalyptic number.

It is an amenable number.

11308081 is a deficient number, since it is larger than the sum of its proper divisors (105791).

11308081 is a wasteful number, since it uses less digits than its factorization.

11308081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105790.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 11308081 is about 3362.7490242360. The cubic root of 11308081 is about 224.4551822480.

Adding to 11308081 its reverse (18080311), we get a palindrome (29388392).

The spelling of 11308081 in words is "eleven million, three hundred eight thousand, eighty-one".