115106100 has 72 divisors (see below), whose sum is σ = 343811328. Its totient is φ = 29702400.

The previous prime is 115106083. The next prime is 115106107. The reversal of 115106100 is 1601511.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 115106100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115106107) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 3112 + ... + 15488.

Almost surely, 2^115106100 is an apocalyptic number.

115106100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115106100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171905664).

115106100 is an abundant number, since it is smaller than the sum of its proper divisors (228705228).

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

115106100 is a wasteful number, since it uses less digits than its factorization.

115106100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12425 (or 12418 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 115106100 is about 10728.7510922754. The cubic root of 115106100 is about 486.4439202914.

Adding to 115106100 its reverse (1601511), we get a palindrome (116707611).

The spelling of 115106100 in words is "one hundred fifteen million, one hundred six thousand, one hundred".