206115415130 has 8 divisors (see below), whose sum is σ = 371007747252. Its totient is φ = 82446166048.

The previous prime is 206115415081. The next prime is 206115415183. The reversal of 206115415130 is 31514511602.

It can be written as a sum of positive squares in 2 ways, for example, as 204068124121 + 2047291009 = 451739^2 + 45247^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 206115415093 and 206115415102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10305770747 + ... + 10305770766.

Almost surely, 2^206115415130 is an apocalyptic number.

206115415130 is a deficient number, since it is larger than the sum of its proper divisors (164892332122).

206115415130 is a wasteful number, since it uses less digits than its factorization.

206115415130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20611541520.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 206115415130 its reverse (31514511602), we get a palindrome (237629926732).

The spelling of 206115415130 in words is "two hundred six billion, one hundred fifteen million, four hundred fifteen thousand, one hundred thirty".