115425216 has 56 divisors (see below), whose sum is σ = 339333840. Its totient is φ = 38474496.

The previous prime is 115425203. The next prime is 115425239. The reversal of 115425216 is 612524511.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 115425216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31671 + ... + 35126.

Almost surely, 2^115425216 is an apocalyptic number.

115425216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

115425216 is an abundant number, since it is smaller than the sum of its proper divisors (223908624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115425216 is an equidigital number, since it uses as much as digits as its factorization.

115425216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66818 (or 66802 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 115425216 is about 10743.6128001711. The cubic root of 115425216 is about 486.8930387000.

Adding to 115425216 its reverse (612524511), we get a palindrome (727949727).

The spelling of 115425216 in words is "one hundred fifteen million, four hundred twenty-five thousand, two hundred sixteen".