1113085472 has 48 divisors (see below), whose sum is σ = 2355000480. Its totient is φ = 515970048.

The previous prime is 1113085469. The next prime is 1113085481. The reversal of 1113085472 is 2745803111.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21179 + ... + 51717.

It is an arithmetic number, because the mean of its divisors is an integer number (49062510).

Almost surely, 2^1113085472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113085472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1177500240).

1113085472 is an abundant number, since it is smaller than the sum of its proper divisors (1241915008).

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

1113085472 is a wasteful number, since it uses less digits than its factorization.

1113085472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30633 (or 30625 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 1113085472 is about 33362.9356022518. The cubic root of 1113085472 is about 1036.3572854736.

Adding to 1113085472 its reverse (2745803111), we get a palindrome (3858888583).

The spelling of 1113085472 in words is "one billion, one hundred thirteen million, eighty-five thousand, four hundred seventy-two".