12117050115115 has 16 divisors (see below), whose sum is σ = 15862672604160. Its totient is φ = 8812204276320.

The previous prime is 12117050115103. The next prime is 12117050115133. The reversal of 12117050115115 is 51151105071121.

It is not a de Polignac number, because 12117050115115 - 2¹⁹ = 12117049590827 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73606 + ... + 4923364.

It is an arithmetic number, because the mean of its divisors is an integer number (991417037760).

Almost surely, 2^{12117050115115} is an apocalyptic number.

12117050115115 is a deficient number, since it is larger than the sum of its proper divisors (3745622489045).

12117050115115 is a wasteful number, since it uses less digits than its factorization.

12117050115115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4895202.

The product of its (nonzero) digits is 1750, while the sum is 31.

Adding to 12117050115115 its reverse (51151105071121), we get a palindrome (63268155186236).

The spelling of 12117050115115 in words is "twelve trillion, one hundred seventeen billion, fifty million, one hundred fifteen thousand, one hundred fifteen".