1113425125 has 16 divisors (see below), whose sum is σ = 1392760512. Its totient is φ = 888685200.

The previous prime is 1113425119. The next prime is 1113425153. The reversal of 1113425125 is 5215243111.

It is not a de Polignac number, because 1113425125 - 2¹³ = 1113416933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1113425125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45322 + ... + 65428.

It is an arithmetic number, because the mean of its divisors is an integer number (87047532).

Almost surely, 2^1113425125 is an apocalyptic number.

It is an amenable number.

1113425125 is a deficient number, since it is larger than the sum of its proper divisors (279335387).

1113425125 is an equidigital number, since it uses as much as digits as its factorization.

1113425125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20565 (or 20555 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 1113425125 is about 33368.0254884822. The cubic root of 1113425125 is about 1036.4626880002.

Adding to 1113425125 its reverse (5215243111), we get a palindrome (6328668236).

The spelling of 1113425125 in words is "one billion, one hundred thirteen million, four hundred twenty-five thousand, one hundred twenty-five".