11113564 has 24 divisors (see below), whose sum is σ = 24248448. Its totient is φ = 4329840.

The previous prime is 11113561. The next prime is 11113567. The reversal of 11113564 is 46531111.

It is an interprime number because it is at equal distance from previous prime (11113561) and next prime (11113567).

It is a super-2 number, since 2×11113564² = 247022609564192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11113561) 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 7 ways as a sum of consecutive naturals, for example, 17734 + ... + 18349.

It is an arithmetic number, because the mean of its divisors is an integer number (1010352).

Almost surely, 2^11113564 is an apocalyptic number.

11113564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11113564 is an abundant number, since it is smaller than the sum of its proper divisors (13134884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11113564 is a wasteful number, since it uses less digits than its factorization.

11113564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36105 (or 36103 counting only the distinct ones).

The product of its digits is 360, while the sum is 22.

The square root of 11113564 is about 3333.7012463627. The cubic root of 11113564 is about 223.1607359323.

Adding to 11113564 its reverse (46531111), we get a palindrome (57644675).

The spelling of 11113564 in words is "eleven million, one hundred thirteen thousand, five hundred sixty-four".