1113545005 has 4 divisors (see below), whose sum is σ = 1336254012. Its totient is φ = 890836000.

The previous prime is 1113545003. The next prime is 1113545029. The reversal of 1113545005 is 5005453111.

It is a happy number.

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 461304484 + 652240521 = 21478^2 + 25539^2 .

It is not a de Polignac number, because 1113545005 - 2¹ = 1113545003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113545003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111354496 + ... + 111354505.

It is an arithmetic number, because the mean of its divisors is an integer number (334063503).

Almost surely, 2^1113545005 is an apocalyptic number.

It is an amenable number.

1113545005 is a deficient number, since it is larger than the sum of its proper divisors (222709007).

1113545005 is an equidigital number, since it uses as much as digits as its factorization.

1113545005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222709006.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1113545005 is about 33369.8217705759. The cubic root of 1113545005 is about 1036.4998845407.

Adding to 1113545005 its reverse (5005453111), we get a palindrome (6118998116).

The spelling of 1113545005 in words is "one billion, one hundred thirteen million, five hundred forty-five thousand, five".