1113605648 has 40 divisors (see below), whose sum is σ = 2198371200. Its totient is φ = 546321024.

The previous prime is 1113605641. The next prime is 1113605657. The reversal of 1113605648 is 8465063111.

It is not an unprimeable number, because it can be changed into a prime (1113605641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781865 + ... + 783287.

It is an arithmetic number, because the mean of its divisors is an integer number (54959280).

Almost surely, 2^1113605648 is an apocalyptic number.

It is an amenable number.

1113605648 is a deficient number, since it is larger than the sum of its proper divisors (1084765552).

1113605648 is a wasteful number, since it uses less digits than its factorization.

1113605648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2319 (or 2313 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1113605648 is about 33370.7304085481. The cubic root of 1113605648 is about 1036.5186999219.

Adding to 1113605648 its reverse (8465063111), we get a palindrome (9578668759).

The spelling of 1113605648 in words is "one billion, one hundred thirteen million, six hundred five thousand, six hundred forty-eight".