115106803609 has 6 divisors (see below), whose sum is σ = 133899751194. Its totient is φ = 98662974480.

The previous prime is 115106803583. The next prime is 115106803621. The reversal of 115106803609 is 906308601511.

It can be written as a sum of positive squares in only one way, i.e., 110887002009 + 4219801600 = 332997^2 + 64960^2 .

It is not a de Polignac number, because 115106803609 - 2⁷ = 115106803481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115106803309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1174559172 + ... + 1174559269.

It is an arithmetic number, because the mean of its divisors is an integer number (22316625199).

Almost surely, 2^115106803609 is an apocalyptic number.

It is an amenable number.

115106803609 is a deficient number, since it is larger than the sum of its proper divisors (18792947585).

115106803609 is an equidigital number, since it uses as much as digits as its factorization.

115106803609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349118455 (or 2349118448 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 115106803609 in words is "one hundred fifteen billion, one hundred six million, eight hundred three thousand, six hundred nine".