115515638827 has 8 divisors (see below), whose sum is σ = 117098199680. Its totient is φ = 113942583360.

The previous prime is 115515638813. The next prime is 115515638831. The reversal of 115515638827 is 728836515511.

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

It is a cyclic number.

It is not a de Polignac number, because 115515638827 - 2¹¹ = 115515636779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115515638857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2351874 + ... + 2400487.

It is an arithmetic number, because the mean of its divisors is an integer number (14637274960).

Almost surely, 2^115515638827 is an apocalyptic number.

115515638827 is a deficient number, since it is larger than the sum of its proper divisors (1582560853).

115515638827 is a wasteful number, since it uses less digits than its factorization.

115515638827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4752693.

The product of its digits is 2016000, while the sum is 52.

The spelling of 115515638827 in words is "one hundred fifteen billion, five hundred fifteen million, six hundred thirty-eight thousand, eight hundred twenty-seven".