115189825 has 6 divisors (see below), whose sum is σ = 142835414. Its totient is φ = 92151840.

The previous prime is 115189759. The next prime is 115189859. The reversal of 115189825 is 528981511.

It can be written as a sum of positive squares in 3 ways, for example, as 2660161 + 112529664 = 1631^2 + 10608^2 .

It is not a de Polignac number, because 115189825 - 2¹¹ = 115187777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2303772 + ... + 2303821.

Almost surely, 2^115189825 is an apocalyptic number.

It is an amenable number.

115189825 is a deficient number, since it is larger than the sum of its proper divisors (27645589).

115189825 is an equidigital number, since it uses as much as digits as its factorization.

115189825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4607603 (or 4607598 counting only the distinct ones).

The product of its digits is 28800, while the sum is 40.

The square root of 115189825 is about 10732.6522817056. The cubic root of 115189825 is about 486.5618336673.

It can be divided in two parts, 11 and 5189825, that multiplied together give a palindrome (57088075).

The spelling of 115189825 in words is "one hundred fifteen million, one hundred eighty-nine thousand, eight hundred twenty-five".