113125565 has 48 divisors (see below), whose sum is σ = 169240752. Its totient is φ = 72124416.

The previous prime is 113125559. The next prime is 113125583. The reversal of 113125565 is 565521311.

It can be written as a sum of positive squares in 8 ways, for example, as 4923961 + 108201604 = 2219^2 + 10402^2 .

It is not a de Polignac number, because 113125565 - 2⁶ = 113125501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 653819 + ... + 653991.

It is an arithmetic number, because the mean of its divisors is an integer number (3525849).

Almost surely, 2^113125565 is an apocalyptic number.

It is an amenable number.

113125565 is a deficient number, since it is larger than the sum of its proper divisors (56115187).

113125565 is a wasteful number, since it uses less digits than its factorization.

113125565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 359 counting only the distinct ones).

The product of its digits is 4500, while the sum is 29.

The square root of 113125565 is about 10636.0502537361. The cubic root of 113125565 is about 483.6378187126.

Adding to 113125565 its reverse (565521311), we get a palindrome (678646876).

The spelling of 113125565 in words is "one hundred thirteen million, one hundred twenty-five thousand, five hundred sixty-five".