1113425545 has 4 divisors (see below), whose sum is σ = 1336110660. Its totient is φ = 890740432.

The previous prime is 1113425539. The next prime is 1113425549. The reversal of 1113425545 is 5455243111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 516698361 + 596727184 = 22731^2 + 24428^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113425545 - 2¹³ = 1113417353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1113425549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111342550 + ... + 111342559.

It is an arithmetic number, because the mean of its divisors is an integer number (334027665).

Almost surely, 2^1113425545 is an apocalyptic number.

It is an amenable number.

1113425545 is a deficient number, since it is larger than the sum of its proper divisors (222685115).

1113425545 is an equidigital number, since it uses as much as digits as its factorization.

1113425545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222685114.

The product of its digits is 12000, while the sum is 31.

The square root of 1113425545 is about 33368.0317819316. The cubic root of 1113425545 is about 1036.4628183231.

Adding to 1113425545 its reverse (5455243111), we get a palindrome (6568668656).

The spelling of 1113425545 in words is "one billion, one hundred thirteen million, four hundred twenty-five thousand, five hundred forty-five".