1113455664 has 60 divisors (see below), whose sum is σ = 3299438376. Its totient is φ = 349318656.

The previous prime is 1113455663. The next prime is 1113455683. The reversal of 1113455664 is 4665543111.

1113455664 is a `hidden beast` number, since 1 + 11 + 34 + 556 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1113455663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224974 + ... + 229869.

Almost surely, 2^1113455664 is an apocalyptic number.

It is an amenable number.

1113455664 is an abundant number, since it is smaller than the sum of its proper divisors (2185982712).

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

1113455664 is a wasteful number, since it uses less digits than its factorization.

1113455664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454874 (or 454865 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 1113455664 is about 33368.4830940815. The cubic root of 1113455664 is about 1036.4721639389.

Adding to 1113455664 its reverse (4665543111), we get a palindrome (5778998775).

The spelling of 1113455664 in words is "one billion, one hundred thirteen million, four hundred fifty-five thousand, six hundred sixty-four".