1113613564 has 12 divisors (see below), whose sum is σ = 2227227184. Its totient is φ = 477262944.

The previous prime is 1113613519. The next prime is 1113613583. The reversal of 1113613564 is 4653163111.

1113613564 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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, 19885929 + ... + 19885984.

Almost surely, 2^1113613564 is an apocalyptic number.

1113613564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1113613564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1113613564 is a wasteful number, since it uses less digits than its factorization.

1113613564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39771924 (or 39771922 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 1113613564 is about 33370.8490152708. The cubic root of 1113613564 is about 1036.5211559268.

Adding to 1113613564 its reverse (4653163111), we get a palindrome (5766776675).

The spelling of 1113613564 in words is "one billion, one hundred thirteen million, six hundred thirteen thousand, five hundred sixty-four".