11317081 has 4 divisors (see below), whose sum is σ = 11809152. Its totient is φ = 10825012.

The previous prime is 11317067. The next prime is 11317091. The reversal of 11317081 is 18071311.

11317081 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18071311 = 61 ⋅296251.

It is a cyclic number.

It is not a de Polignac number, because 11317081 - 2⁵ = 11317049 is a prime.

It is a super-2 number, since 2×11317081² = 256152644721122, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11317001) 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, 246001 + ... + 246046.

It is an arithmetic number, because the mean of its divisors is an integer number (2952288).

Almost surely, 2^11317081 is an apocalyptic number.

It is an amenable number.

11317081 is a deficient number, since it is larger than the sum of its proper divisors (492071).

11317081 is an equidigital number, since it uses as much as digits as its factorization.

11317081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492070.

The product of its (nonzero) digits is 168, while the sum is 22.

The square root of 11317081 is about 3364.0869489358. The cubic root of 11317081 is about 224.5147137444.

Adding to 11317081 its reverse (18071311), we get a palindrome (29388392).

The spelling of 11317081 in words is "eleven million, three hundred seventeen thousand, eighty-one".