1113052045 has 32 divisors (see below), whose sum is σ = 1584357120. Its totient is φ = 734469120.

The previous prime is 1113052043. The next prime is 1113052049. The reversal of 1113052045 is 5402503111.

It is a happy number.

It is not a de Polignac number, because 1113052045 - 2¹ = 1113052043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113052043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 334309 + ... + 337621.

It is an arithmetic number, because the mean of its divisors is an integer number (49511160).

Almost surely, 2^1113052045 is an apocalyptic number.

It is an amenable number.

1113052045 is a deficient number, since it is larger than the sum of its proper divisors (471305075).

1113052045 is a wasteful number, since it uses less digits than its factorization.

1113052045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3685.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1113052045 is about 33362.4346383773. The cubic root of 1113052045 is about 1036.3469111096.

Adding to 1113052045 its reverse (5402503111), we get a palindrome (6515555156).

The spelling of 1113052045 in words is "one billion, one hundred thirteen million, fifty-two thousand, forty-five".