11164481 has 4 divisors (see below), whose sum is σ = 11186352. Its totient is φ = 11142612.

The previous prime is 11164469. The next prime is 11164493. The reversal of 11164481 is 18446111.

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 an interprime number because it is at equal distance from previous prime (11164469) and next prime (11164493).

It is a cyclic number.

It is not a de Polignac number, because 11164481 - 2¹⁰ = 11163457 is a prime.

It is a super-2 number, since 2×11164481² = 249291271998722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11164481.

It is not an unprimeable number, because it can be changed into a prime (11164781) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 10151 + ... + 11196.

It is an arithmetic number, because the mean of its divisors is an integer number (2796588).

Almost surely, 2^11164481 is an apocalyptic number.

It is an amenable number.

11164481 is a deficient number, since it is larger than the sum of its proper divisors (21871).

11164481 is an equidigital number, since it uses as much as digits as its factorization.

11164481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21870.

The product of its digits is 768, while the sum is 26.

The square root of 11164481 is about 3341.3292265205. The cubic root of 11164481 is about 223.5010218045.

The spelling of 11164481 in words is "eleven million, one hundred sixty-four thousand, four hundred eighty-one".