1113510625 has 20 divisors (see below), whose sum is σ = 1473306516. Its totient is φ = 838400000.

The previous prime is 1113510623. The next prime is 1113510631. The reversal of 1113510625 is 5260153111.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 441042001 + 672468624 = 21001^2 + 25932^2 .

It is not a de Polignac number, because 1113510625 - 2¹ = 1113510623 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 1113510625.

It is not an unprimeable number, because it can be changed into a prime (1113510623) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 41776 + ... + 63025.

Almost surely, 2^1113510625 is an apocalyptic number.

It is an amenable number.

1113510625 is a deficient number, since it is larger than the sum of its proper divisors (359795891).

1113510625 is an equidigital number, since it uses as much as digits as its factorization.

1113510625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104838 (or 104823 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 1113510625 is about 33369.3066304950. The cubic root of 1113510625 is about 1036.4892173374.

Adding to 1113510625 its reverse (5260153111), we get a palindrome (6373663736).

The spelling of 1113510625 in words is "one billion, one hundred thirteen million, five hundred ten thousand, six hundred twenty-five".