1113112245 has 64 divisors (see below), whose sum is σ = 2163732480. Its totient is φ = 477301248.

The previous prime is 1113112193. The next prime is 1113112261. The reversal of 1113112245 is 5422113111.

It is not a de Polignac number, because 1113112245 - 2¹⁰ = 1113111221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 202777 + ... + 208193.

It is an arithmetic number, because the mean of its divisors is an integer number (33808320).

Almost surely, 2^1113112245 is an apocalyptic number.

1113112245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1113112245 is a deficient number, since it is larger than the sum of its proper divisors (1050620235).

1113112245 is a wasteful number, since it uses less digits than its factorization.

1113112245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5554.

The product of its digits is 240, while the sum is 21.

The square root of 1113112245 is about 33363.3368385118. The cubic root of 1113112245 is about 1036.3655945604.

Adding to 1113112245 its reverse (5422113111), we get a palindrome (6535225356).

The spelling of 1113112245 in words is "one billion, one hundred thirteen million, one hundred twelve thousand, two hundred forty-five".