115161005616506 has 8 divisors (see below), whose sum is σ = 172874284376724. Its totient is φ = 57536244157600.

The previous prime is 115161005616469. The next prime is 115161005616521. The reversal of 115161005616506 is 605616500161511.

It can be written as a sum of positive squares in 2 ways, for example, as 64146627887281 + 51014377729225 = 8009159^2 + 7142435^2 .

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

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, 22129322075 + ... + 22129327278.

Almost surely, 2^{115161005616506} is an apocalyptic number.

115161005616506 is a deficient number, since it is larger than the sum of its proper divisors (57713278760218).

115161005616506 is a wasteful number, since it uses less digits than its factorization.

115161005616506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44258650656.

The product of its (nonzero) digits is 162000, while the sum is 44.

It can be divided in two parts, 115161005 and 616506, that added together give a palindrome (115777511).

The spelling of 115161005616506 in words is "one hundred fifteen trillion, one hundred sixty-one billion, five million, six hundred sixteen thousand, five hundred six".