115503125 has 24 divisors (see below), whose sum is σ = 150740352. Its totient is φ = 88330000.

The previous prime is 115503121. The next prime is 115503127. The reversal of 115503125 is 521305511.

It is a happy number.

It is not a de Polignac number, because 115503125 - 2² = 115503121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

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 115503125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115503121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71072 + ... + 72678.

It is an arithmetic number, because the mean of its divisors is an integer number (6280848).

Almost surely, 2^115503125 is an apocalyptic number.

It is an amenable number.

115503125 is a deficient number, since it is larger than the sum of its proper divisors (35237227).

115503125 is an frugal number, since it uses more digits than its factorization.

115503125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655 (or 1635 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 115503125 is about 10747.2380172768. The cubic root of 115503125 is about 487.0025607484.

Adding to 115503125 its reverse (521305511), we get a palindrome (636808636).

The spelling of 115503125 in words is "one hundred fifteen million, five hundred three thousand, one hundred twenty-five".